Wine Glossary
Browse our complete dictionary of wine terms. Whether you are deciphering a tasting
note or learning about the winemaking process, select a letter below to find the
definitions you need.
A A.P. number German wine quality control identification number proving official government testing and approval. Abboccato Italian wine classification indicating off-dry sweetness with residual sugar between dry and sweet wines. ABC Wine industry acronym meaning "Anything but Chardonnay" or "Anything but Cabernet" promoting alternative grape varieties. ABV Alcohol by volume percentage indicating the alcoholic strength of wine, required on most wine labels. AC Abbreviation for Agricultural Cooperative on Greek wine labels and Adega Cooperativa on Portuguese labels. Acequias Traditional irrigation channels essential for Mendoza's vineyard water distribution and Argentine wine production. Acescence Wine defect characterized by sharp, vinegar-like tang from excessive volatile acidity levels. Acetaldehyde Oxidation-related aroma compound in wine that can smell like bruised apple, nuts, or sherry; excessive levels are usually a fault. Acetic acid Primary volatile acid in wine that contributes to vinegar-like aromas and flavors. Acetification Wine spoilage process where alcohol converts to acetic acid, creating vinegar-like flavors and aromas. Acetobacter Wine spoilage bacteria that converts alcohol to acetic acid, creating vinegar flavors and aromas. Acidification Wine additive process adding tartaric or citric acid to increase acidity in warm climates. Acidity Wine’s freshness and structural backbone, including how total acidity differs from volatile acidity. Active acidity The measurable hydrogen ion concentration in wine that determines its pH level and perceived tartness. Actual alcohol The precise ethanol content in wine measured as alcohol by volume percentage at standard temperature. Adega Portuguese wine term for winery or cellar where wine production and storage occurs. Adobe Traditional earthen building material used in historic South American wineries and wine-related architecture. Aerobic conditions Winemaking environment with oxygen exposure for controlled oxidative aging and flavor development. Aging barrel Oak containers used for maturing wine and spirits, imparting flavor and complexity. Aguardiente Spanish term for distilled spirits made from fruits, grains, or sugarcane across Latin America. Aji Spanish term for chili peppers, commonly found as aromatic descriptor in South American wines. Aldehyde Chemical compound formed during wine oxidation, positioned between alcohol and acid in molecular structure. Alluvial soils Sedimentary soils deposited by water movement, common in Argentine and Chilean wine regions. Almacenista Spanish Sherry producer who ferments and ages wine before selling to merchants. Alternative wine closures Modern sealing methods replacing traditional cork in wine bottles for preservation and convenience. Amabile In Italian wine, amabile means semi-sweet, with more residual sugar than secco but less than dolce. American Grape varieties from Vitis labrusca species native to North America, used in South American viticulture. Amino Acids Essential organic compounds that form proteins and significantly influence wine flavor and fermentation processes. Amontillado A distinctive aged Sherry wine that develops complex nutty flavors after protective flor yeast dies. Amphora Ancient ceramic vessel used for wine storage and transport in Mediterranean civilizations. Anaerobic Chemical processes occurring without oxygen, crucial in wine aging and fermentation stages. Analyzer The first column in a Coffey still used for vaporizing pre-heated wash with steam. Añejo Spanish term meaning "aged" or "mature," indicating wine has undergone extended aging process. Angel's share The portion of wine lost to evaporation during barrel aging, typically 2-4% annually. Anthocyanin Natural phenolic compounds responsible for red, purple, and blue pigments in grape skins and red wines. Antioxidant Chemicals like sulfur dioxide used in winemaking to prevent oxidation of grape must and wine. AOC French wine classification system ensuring geographic authenticity and production standards for quality wines. Appellation A legally defined geographical wine region with specific regulations governing grape growing and winemaking practices. Argentina South American wine country known for Malbec and high-altitude vineyards. Aroma The distinctive scents and fragrant compounds perceived when smelling wine before tasting. Aroma Compounds Volatile chemical molecules responsible for wine's distinctive scents and aromatic complexity. Aromatized wine Wine infused with herbs, spices, fruits, or botanicals to create complex flavored beverages. Asado Traditional South American barbecue culture deeply connected to Argentine wine pairing traditions. Ascorbic acid Vitamin C antioxidant used in winemaking to prevent oxidation and preserve wine quality. Aseptic Sterile or contamination-free handling in winemaking and packaging that helps prevent spoilage microbes and unwanted fermentation. Assemblage French term for the art of blending base wines to create champagne and sparkling wine cuvées. Astringent A drying, puckering mouthfeel in wine caused by tannins binding to salivary proteins. Atmosphere Unit measuring gas pressure in wine bottles, especially sparkling wines. Ausbruch Austrian Prädikatswein category between Beerenauslese and Trockenbeerenauslese made from noble rot grapes. Auslese Auslese is a German and Austrian Prädikatswein ripeness category meaning select harvest; it is often sweet but not always a dessert wine. Australia Major wine country known for Shiraz, Cabernet, and diverse regional styles. Autolysis The breakdown of dead yeast cells that imparts distinctive flavors and textures to wine. Azienda agricola Azienda agricola means agricultural estate or farm in Italian wine, often a producer that grows grapes and makes wine. Azienda vinicola Italian wine estate producing wine from estate-grown and purchased grapes B Back-Blend Winemaking technique adding unfermented grape juice to fermented wine for sweetness adjustment. Balthazar A large format wine bottle holding 12 liters, equivalent to 16 standard bottles. Barrel fermented Wine fermentation process using oak barrels instead of stainless steel tanks for enhanced flavor complexity. Barrique French oak barrel holding 225 liters, standard for Bordeaux wine aging and maturation. Baumé French hydrometric scale measuring sugar concentration in grape juice and wine production. Beerenauslese (BA) Premium German and Austrian dessert wine made from hand-selected botrytis-affected grape berries. Beeswing Beeswing meaning in wine: light, translucent sediment in aged Port, named for its wing-like flakes. Bentonite Volcanic clay fining agent used to clarify wine by removing proteins and unwanted particles. Bereich German wine geographical designation representing a large regional district within an Anbaugebiet wine region. Biodynamic Holistic farming approach using natural preparations and celestial cycles for sustainable viticulture. Biodynamic wine Wine produced using biodynamic farming principles that view vineyards as self-sustaining ecosystems. Biologique French term for organically produced wine made without synthetic chemicals or pesticides. Blanc de Blancs Premium sparkling wine made exclusively from white grape varieties, typically Chardonnay. Blanc de Noirs White or pale sparkling wine made exclusively from red grape varieties through gentle pressing techniques. Blending The artful mixing of different wine parcels to create consistent, balanced finished wines. Blind tasting Wine evaluation method where tasters assess wines without knowing their identity or origin. Blush wine Light pink-colored wine made from red grapes with minimal skin contact during production. Bodega A Spanish term for winery, wine cellar, or storage facility where wine is produced and aged. Bodeguero/a Spanish term for winery owner or wine producer, traditionally used in Argentina and Spain. Bonne chauffe The second distillation phase in Cognac production that transforms brouillis into clear eau-de-vie. Bordeaux Classic French region centered on Cabernet Sauvignon and Merlot blends. Botija Traditional large clay vessel used for wine fermentation and storage in Argentina. Botrytized grapes Grapes affected by noble rot (Botrytis cinerea) used to produce premium dessert wines. Botte (plural botti) Large Italian wine barrels holding up to 160 hectolitres for aging and fermentation. Bottle Age The period wine spends maturing in bottle after production, developing complexity and character. Bottle shock Temporary wine condition causing muted flavors after bottling or transport disturbance. Bottle variation Natural differences in wine quality and character between bottles from the same vintage and producer. Box wine Wine packaged in a flexible plastic bag within a protective cardboard box with dispensing tap. Brettanomyces Wild yeast genus causing wine spoilage with distinctive barnyard, medicinal, and band-aid aromas. Brix (symbol °Bx) Scale measuring sugar content in grape juice to predict wine's potential alcohol level. Brut Brut meaning in wine: a dry style of Champagne and sparkling wine, usually up to 12 g/L residual sugar and drier than Extra Dry. Bung Cork or stopper used to seal wine barrels and bottles during storage and aging. Burgundy French region that sets the benchmark for Pinot Noir and Chardonnay. Burnt wine Historical term for brandy, distilled wine spirit used in fortification and liqueur production. Butt Traditional English wine cask unit holding 477-600 liters, commonly used in sherry production. C Cahors Southwest French appellation where Malbec (Cot) makes dark, structured reds. Caliche Calcium carbonate-rich sedimentary rock found in Argentine wine regions, particularly Mendoza's high-altitude vineyards. California Largest US wine state with regions like Napa, Sonoma, and Santa Barbara. Camanchaca Dense marine fog affecting northern Chilean wine regions, cooling temperatures and reducing sun exposure. Cane pruning Vineyard pruning method using previous year's canes with 6-15 buds for grape production. Cantina Cantina meaning in English: a winery or wine cellar in Italian wine; in Spanish, it can also mean a bar or cafeteria. Cap Layer of grape skins pushed to fermentation vessel surface by carbon dioxide during red wine production. Cap Classique South African premium sparkling wine made using traditional Champagne method with secondary bottle fermentation. Carbonic acid Weak acid formed when carbon dioxide dissolves in wine's water content during fermentation. Carbonic gas Carbon dioxide gas produced during fermentation when yeast converts sugar into alcohol and CO2. Carbonic maceration Fermentation technique using whole grapes in CO2 environment producing fruity, low-tannin wines. Cascina Traditional Italian farmhouse estate combining winery operations with agricultural activities and rural architecture. Casein Milk protein-derived fining agent used to clarify and stabilize wine by removing unwanted particles. Cask A wine cask is an oak barrel used to ferment, age, or store wine, adding controlled oxygen exposure and sometimes oak flavor. Cask-strength Cognac bottled at natural barrel proof without dilution, typically exceeding 40% ABV. Casse Wine fault causing unwanted haze from unstable compounds like proteins or metals before bottling. Castello Castello means castle in Italian. On wine labels, it often signals an estate, historic property, or winery name, not a grape or wine style. Caudalie French wine tasting term measuring the duration of a wine's finish in seconds. Cava Spanish sparkling wine made using traditional method, primarily from Catalonia region. Cellaring The practice of storing wine in controlled conditions to allow proper aging and flavor development. Central Otago Southern New Zealand region famous for vibrant Pinot Noir. Cépage Cépage means grape variety in French; on wine labels it identifies the grape or grapes used. Ceramic filtration Wine filtration method using ceramic membranes for precise clarification and microbial stabilization. Ceviche Traditional Latin American raw fish dish marinated in citrus, perfect with crisp white wines. Chacha Georgian grape marc and stalks, plus the traditional spirit distilled from this pomace. Chaptalization Legal wine production process adding sugar to grape must before fermentation in cool climates. Charmat method Sparkling wine method in which secondary fermentation occurs in a sealed pressure tank. Château French term for wine estate, primarily used in Bordeaux for prestigious wineries and their properties. Chauffe-vin Optional Cognac still attachment that preheats wine before first distillation for improved efficiency. Chile South American wine country with Central Valley regions like Maipo and Colchagua. Chimichurri Traditional Argentine and Uruguayan herb sauce perfect for pairing with grilled meats and wine. Choripán Argentina's iconic grilled chorizo sandwich, a beloved roadside snack perfect with Malbec wine. Churrasco Traditional Brazilian and Chilean grilled meat preparation that pairs excellently with bold red wines. Claret Traditional British term for red Bordeaux wines and similar-style red blends. Clarification Essential winemaking process removing suspended particles and sediment to achieve crystal-clear, visually appealing wine. Clarification and Fining Wine clarification process removing suspended particles, proteins, and sediment using fining agents. Classico Italian wine designation for the historical heartland of a DOC region with superior terroir. Cleanskin Australian wine sold without commercial branding or labels, typically offered at discount prices in bulk. Climat French term for named vineyard plots in Burgundy with distinct terroir characteristics. Clone Genetically identical copies of grapevine cultivars propagated through vegetative reproduction methods. Clos French vineyard term for historically walled vineyard enclosures, especially famous in Burgundy's Grand Cru sites. Col de cygnet Swan-neck shaped copper tube connecting pot still to condenser in Cognac distillation Cold stabilization Winemaking process chilling wine to precipitate tartrate crystals and prevent sediment formation. Colli Italian geographical term meaning "hills," commonly used in wine region names and appellations. Colluvial soils Gravity-transported soils found in mountainous wine regions, particularly in Argentina and Chile. Compounds Chemical preservatives added to wine to prevent oxidation and microbial contamination. Compte French age-count system for Cognac and Armagnac indicating the minimum age of the youngest eau-de-vie in a blend. Congeners Secondary alcohols and aldehydes in wine beyond ethanol that contribute to flavor and aroma complexity. Consorzio Italian trade organization of wine producers providing quality control and marketing support. Cooperative Wine cooperative where multiple growers jointly own production facilities and share resources under collective branding. Cork Natural wine bottle stopper made from cork oak bark, providing airtight seal and aging benefits. Cork taint Wine fault caused by TCA contamination creating musty, moldy off-flavors and aromas. Coteaux French wine label term indicating wines produced from hillside or sloped vineyard sites. Côtes French wine term referring to hillside slopes and elevated vineyard regions producing distinctive terroir-driven wines. Coupage Traditional French winemaking practice of blending wines to achieve desired quality and consistency. Courbe de fermentation French winemaking term for fermentation curve charts tracking temperature and sugar density progress. CREA Uruguayan research group driving viticultural innovation and Vitis vinifera conversion since 1980s. Crémant French sparkling wine made using traditional method outside Champagne region with regional appellations. Crianza Crianza meaning in wine: a Spanish aging classification for wines aged before release, below Reserva and Gran Reserva. Criolla Family of South American wine grapes descended mainly from colonial Vitis vinifera lineages such as Listán Prieto and Moscatel de Alejandría. Criolla Chica Alternative name for País grape variety, historic South American wine grape with Spanish colonial origins. Crown-cap Metal bottle cap used as temporary closure during sparkling wine's secondary fermentation process. Cru French wine classification term meaning "growth" indicating recognized vineyard quality levels. Cru Classé French classification system ranking prestigious wine estates in Bordeaux and other regions. Crush The process of breaking grape skins to release juice for fermentation and winemaking. Cryoextraction Artificial freezing technique to concentrate grape must for ice wine-style dessert wines. Cult wines Highly sought-after wines commanding premium prices due to exceptional quality, rarity, and devoted following. Cut Wine term for a blending adjustment, dilution/adulteration warning, or distillation separation depending on context. Cuve A cuve is a wine fermentation vat or tank used to turn grape juice into wine, usually made from stainless steel, concrete, wood, or fiberglass. Cuve Close Alternative name for the Charmat method of sparkling wine production using pressurized tanks. Cuvée French wine term denoting a specific blend, batch, or premium selection from a winery's production. Cuverie French winemaking facility where grape fermentation and wine production takes place. D Damajuana Large glass jug traditionally used for storing and selling bulk wine in Argentina and South America. Débourbage French winemaking technique of settling white wine must before fermentation to clarify juice naturally. Dégorgement Dégorgement is the sparkling-wine step that removes the sediment plug from the bottle after riddling. Délestage French red-winemaking rack-and-return technique that manages the cap, aerates fermenting must, and can soften tannins. Demi-muid A demi-muid is a 600-litre French oak barrel; demi-muids give gentler oak influence than smaller barriques. Depth filtration Wine clarification method using porous filtration media to remove particles and sediments throughout the medium's depth. Dessert wine Sweet wines served with dessert, with varying alcohol content and production methods globally. Devatting Critical winemaking process of separating fermented red wine from grape solids and skins. Diacetyl Buttery-flavored organic compound in wine from malolactic fermentation and oak aging processes. Diatomaceous Earth Fine sedimentary rock particles used as filtration aid in winemaking processes. Diurnal range The daily temperature variation between maximum and minimum temperatures in wine regions. DO Spanish wine quality designation and dissolved oxygen measurement term in winemaking processes. Doble pasta Spanish winemaking technique using double the normal grape skin-to-juice ratio for concentrated wines. Dolce Italian wine classification for sweet wines with high residual sugar content and rich flavors. Domaine Domaine meaning in wine: a French wine estate with vineyards and winemaking under one producer. Doppelstück Large German oak barrel holding 635 U.S. gallons, traditionally used for wine aging and fermentation. Dosage (wine) The final sugar addition that determines sparkling wine sweetness levels after disgorgement. Double Magnum A 3-liter still-wine bottle format equal to four standard 750 mL bottles. Doux French wine classification term meaning "sweet," indicating high residual sugar content in wines. Drawing off Wine production process of separating fermented juice from grape skins and solids after fermentation. Dry Dry wine has little or no perceptible sweetness; formal sugar limits depend on the wine type, acidity condition, and applicable labeling rule. Dulce Spanish term for sweet wine, particularly common in South American winemaking traditions. E Eau de vie French clear fruit brandy distilled to high proof, literally meaning "water of life" Edelkeur South African term for noble rot, the beneficial fungus used in premium dessert wine production. Egg white fining Traditional wine clarification method using egg whites to remove suspended particles and tannins. Eiswein Premium German dessert wine made from grapes naturally frozen on the vine. Embrapa Brazil's agricultural research corporation advancing viticulture and wine industry development through scientific innovation. En boca Spanish wine tasting term describing the tactile sensations and mouthfeel experienced when wine touches the palate. En Tirage French term for aging sparkling wine on lees after secondary fermentation in bottle. Encépagement French viticultural term describing the blend composition and proportion of grape varieties in wine. Enology Enology is the science of wine and winemaking. Learn the difference between enology and oenology, plus enologist and enological meanings. Enzyme Protein catalysts in grapes, yeast, and winemaking that speed reactions; yeast are living fungi that produce enzymes, not enzymes themselves. Epamig Brazilian agricultural research institute advancing viticulture and wine production in Minas Gerais state. Equilibrado Spanish wine term describing perfect harmony between acidity, tannins, alcohol, and fruit flavors. Erste Lage VDP first-class German vineyard sites, generally below Grosse Lage, used for high-quality wines from classified vineyards. Estancia Large Spanish and Latin American farm or estate encompassing cattle, crops, vineyards, and private land. Esters Aromatic compounds in wine formed by reactions between alcohols and acids during fermentation and aging. Estufagem Portuguese heating process used in Madeira wine production to develop unique flavors and characteristics. Ethanol The primary alcohol in wine, contributing to body, mouthfeel, and overall sensory experience. Ex-cellars Wine trade term for pricing or sales from the producer's cellar before freight, duties, taxes, and delivery costs are added. Extra dry Champagne and sparkling wine sweetness level with 12-17g/L residual sugar, sweeter than Brut. Extract Solid compounds in wine excluding water, sugar, alcohol, and acidity that contribute to color, body, and structure. É Élevage French winemaking term meaning "raising" wine through post-fermentation maturation and refinement processes. F Fall bright Wine clarification process when sediments settle and wine becomes clear and transparent. Fattoria Italian agricultural estate specializing in wine production, often family-owned with traditional winemaking methods. Fatty acids Volatile organic compounds in wine that can contribute undesirable flavors and aromas when present in excess. Fault Undesirable wine characteristics caused by winemaking errors or poor storage conditions. Federspiel Wachau classification for dry medium-bodied Austrian wines, typically 11.5–12.5% alcohol. Feints The low-alcohol "tails" fraction collected at the end of Cognac distillation, often redistilled for flavor enhancement. Fermentation Essential biochemical process converting sugars to alcohol and transforming acids in winemaking. Fermentazione naturale Italian phrase for natural fermentation whose exact sparkling-wine meaning depends on the governing specification. Feuillette Traditional French wine barrel used in Burgundy and Chablis with regional capacity variations. FIA Chilean government foundation providing grants and financial support for viticultural innovation projects. Filtration Wine clarification process removing suspended particles, sediment, and microorganisms for clarity and stability. Fining Wine clarification process using flocculants to gently remove suspended particles and impurities. Finings Clarifying agents used in winemaking to remove particles and improve wine clarity and flavor. First pressing Initial extraction of juice from grapes after free-run, yielding the highest quality, clearest juice. Fixed acidity The stable acids in wine, primarily tartaric and malic, excluding volatile compounds like acetic acid. Fixed sulfur Sulfur dioxide molecules bound to wine components, reducing available free sulfur for antioxidant protection. Flash Pasteurization Rapid heat treatment process for wine sterilization using high temperatures for brief intervals. Flor Natural yeast film creating distinctive character in Sherry and other fortified wines. Foreshots Initial distillation fraction containing harmful compounds discarded in Cognac production for safety and quality. Fortification Wine production technique adding alcohol to increase strength and alter sweetness levels. Fortified Wine Wine strengthened with added spirits, creating higher alcohol content and enhanced preservation properties. Foudre Large traditional wooden vat used in winemaking, typically holding 20-120 hectoliters for fermentation and aging. Fractions Distinct portions separated during Cognac distillation based on boiling points and alcohol content. Free run juice The highest quality grape juice that flows naturally from crushed grapes before mechanical pressing begins. Free sulfur The unbound portion of sulfur dioxide available to protect wine from oxidation and microbial spoilage. Frizzante Frizzante means lightly sparkling Italian wine, with gentler bubbles and lower pressure than fully sparkling spumante. Frizzantino Italian wine term for very light effervescence between still and semi-sparkling wines. Fruit wine Fermented alcoholic beverages made from non-grape fruits, legally distinct from traditional grape wine. Fuder Traditional German oak barrel holding 1000 liters, primarily used in Mosel wine region. Fully fermented A wine that has completed fermentation without interruption, resulting in a completely dry wine. Fusel alcohol Higher alcohols produced during fermentation that contribute complexity but can be unpleasant in excess. Fût French oak cask used for wine fermentation and aging processes. G Garrafeira Portuguese wine designation for higher-quality releases aged longer before sale, with required bottle aging. Garúa Fine coastal mist phenomenon affecting Chilean and Peruvian wine regions, creating unique microclimates. Gaucho Traditional Argentine horseman and cowhand symbolizing freedom, now integral to estancia wine culture. Gelatine Protein-based fining agent that clarifies wine by removing tannins and phenolic compounds. Geosmin Organic compound producing earthy, musty aromas in wine from soil microorganisms and grape metabolism. Germany Cool-climate wine country known for Riesling and Spatburgunder Pinot Noir. Globalization of wine The worldwide standardization and internationalization of wine production, marketing, and consumption patterns. Glycerol Sweet, viscous byproduct of fermentation that contributes to wine's mouthfeel and texture. Goon Goon wine is Australian slang for inexpensive cask wine sold in a box with a plastic bladder, also called a goon bag. Governo Traditional Tuscan winemaking technique using dried grapes to restart fermentation in Chianti wines. Grados Spanish term for alcohol percentage by volume in wine, literally meaning "grades" or "degrees." Gran Reserva Premium Spanish wine aging classification requiring extended oak and bottle maturation periods. Grand cru French classification for highest-quality vineyard sites, meaning "great growth" with strict regulations. Grand vin French term for a château's premier wine, distinguishing it from second or third wines in Bordeaux. Grande Marque Prestigious French term for renowned Champagne houses and other famous wine brands with exceptional reputation. Granvas Spanish-language tank-fermentation term whose exact use depends on the applicable wine rules. Grape juice The liquid extracted from grapes, either naturally or through pressing, before fermentation begins. Grape Must Freshly pressed grape juice containing skins, seeds, and stems before fermentation begins. Gyropalette Automated riddling system that mechanizes traditional champagne remuage process in sparkling wine production. H Habillage French term for the foil capsule and wire cage dressing that adorns sparkling wine bottles. Halbtrocken German and Austrian wine classification meaning "half-dry" with specific residual sugar levels. Heads First distillation fraction in Cognac production containing volatile compounds that must be discarded. Hearts The premium middle fraction collected during Cognac distillation, forming the core of the final product. Hock Hock wine is a traditional English term for German white wines from the Rhine, especially Riesling from the Rheingau and Hochheim area. Hogshead A hogshead is a large wine barrel or cask size, commonly around 238-300 liters depending on the regional standard. Huaso Traditional Chilean horseman and countryman integral to Chile's rural wine culture and heritage. Hybrid Grape varieties created by crossing different Vitis species, offering disease resistance but varying quality levels. Hydrogen sulfide Wine fault producing rotten egg odor from hydrogen and sulfur compounds during fermentation. I Icon wine A winery's flagship wine, typically the most expensive and prestigious offering in their portfolio. IGT Italian wine classification indicating geographic origin with flexible production regulations and varietal freedom. Imperial A large format wine bottle holding 6 liters, equivalent to eight standard 750ml bottles. INAVI Uruguay's National Institute of Viticulture regulating and promoting the country's wine industry since 1987. INIA Chile's National Institute of Agricultural Research advancing viticulture through genetic preservation and vine identification. INTA Argentina's National Agricultural Technology Institute advancing viticulture research and wine industry innovation since 1956. International variety Grape varieties cultivated worldwide across major wine regions, including Cabernet Sauvignon, Chardonnay, and Merlot. INV Argentina's National Institute of Viticulture regulating wine industry statistics and quality standards. Invecchiato Italian wine term indicating aging requirements for quality wines in oak or bottle. Isinglass Isinglass is a fish-derived collagen fining agent used to clarify wine by helping suspended particles settle out. J Jennie A 500ml wine bottle format commonly used for dessert wines and premium selections. Jeroboam A regional large-format bottle name: 3 L in the official Champagne sequence and often 4.5 L in still-wine or Bordeaux-context charts. Joven Spanish wine classification for young, unoaked wines bottled shortly after fermentation without extended aging. Juice Grape liquid extracted before fermentation, including free-run and press juice used in winemaking. K Kabinett German and Austrian wine classification denoting light, delicate wines with specific ripeness requirements. Kick Alternative term for punt, referring to the concave indentation at the base of wine bottles. Klassik Austrian wine classification denoting traditional light, zesty style wines with crisp acidity and fresh character. L La carta de vinos Spanish term for wine list or wine menu in restaurants and hospitality establishments. La vista Spanish term for the visual examination phase in wine tasting, assessing color, clarity, and appearance. Lactic acid A smooth, creamy acid produced during malolactic fermentation that softens wine's acidity. Lagar Lagar meaning in wine: a shallow Portuguese stone or concrete tank used for foot-treading grapes, especially for Port. Landwein German regional wine category ranking above table wine but below quality wine designations. Late disgorgement Sparkling wine technique where bottles age extensively on lees before final disgorgement process. Late harvest wine Sweet dessert wine made from grapes left on vines beyond normal harvest time. Lazy Ballerina A vine training system where grape shoots are positioned horizontally for optimal sun exposure and management. Leaching Removal process in oak barrel production and soil nutrient loss in viticulture. Lees Sediment of dead yeast cells that enriches wine texture and flavor during aging. Lees stirring Winemaking technique of stirring sediment during sur lie aging to enhance flavor and texture. Lie French term for dead yeast sediment in wine, equivalent to English "lees" Lieblich German and Austrian wine sweetness classification for medium-sweet wines with moderate residual sugar content. Lieu-dit Lieu-dit means a named place or vineyard parcel in French wine, used to identify a specific site within an appellation. Liqueur d'expédition French dosage solution used to top up and sweeten sparkling wine after disgorging process. Liqueur de tirage Sugar and yeast solution added to still wine to initiate secondary fermentation in sparkling wine production. Liquoreux French term for dessert wines with luscious, liqueur-like sweetness and unctuous texture. Listán Prieto Alternative name for the País grape variety, a historic wine grape in South America. Lo-fi Low-intervention winemaking approach using native yeasts, neutral vessels, and minimal oak influence. Low wines The cloudy, low-alcohol distillate from first distillation in Cognac production, around 30% ABV. Lyre (Lira) V-shaped vine training system with dual cordons for improved sunlight penetration and canopy management. M Maceration Essential winemaking process where grape skins contact must to extract color, tannins, and flavor compounds. Madeirized Wine defect showing oxidized, cooked flavors resembling fortified Madeira wine characteristics. Magnum A 1.5-liter wine bottle equal to two standard 750 mL bottles. Maillard reactions Complex chemical reactions between amino acids and sugars creating flavors and aromas in wine. Malic acid Sharp-tasting organic acid in wine that provides green apple-like tartness and acidity. Malolactic fermentation Secondary bacterial fermentation converting harsh malic acid to softer lactic acid in wines. Manipulant French wine term for grape growers who produce their own wine, especially in Champagne. Mannoprotein Nitrogen-rich proteins from yeast autolysis that enhance wine texture and stability during lees aging. Marc A distilled spirit made from grape pomace, also referring to pomace itself or Champagne press fractions. Marselan Red wine grape crossing of Cabernet Sauvignon and Grenache, valued for color, dark fruit, and warm-climate adaptability. Massal selection Traditional vineyard propagation method using cuttings from selected high-quality existing vines. Mead Ancient fermented honey beverage, often called "honey wine," predating grape wine by millennia. Medio y medio Uruguayan wine-based drink whose name means half and half, typically blending dry white wine with sweet sparkling wine. Medium Plus Barrel Toast Oak barrel toasting level between medium and heavy, enhancing wine complexity through controlled wood charring. Melchior Large-format wine bottle holding 18 liters, equivalent to 24 standard 750 ml bottles; often misspelled Melchoir. Membrane filtration Wine clarification technique using microporous membranes to remove particles and microorganisms from wine. Mendoza Argentina's flagship wine region known for high-altitude Malbec. Mercaptans Sulfur compounds causing unpleasant wine faults with garlic, rubber, or cabbage-like aromas. Mercosur South American trade bloc promoting economic integration and wine trade among Argentina, Brazil, Uruguay, and Paraguay. Meritage American premium wine blend using traditional Bordeaux grape varieties, trademarked term since 1988. Merlot-to-go law U.S. state legislation allowing restaurant patrons to take home opened wine bottles. Merquén (Merkén) Traditional Chilean smoked chili spice from Mapuche cuisine, enhancing wine pairings with smoky heat. Méthode Champenoise Champagne-specific term for second fermentation and lees handling in the final sale bottle. Méthode Rurale Traditional sparkling wine method bottling wine before primary fermentation completes to trap natural CO2. Methuselah A large format wine bottle holding 6 liters, equivalent to 8 standard bottles. Microoxygenation Controlled wine oxygenation technique that accelerates maturation and improves color stability and tannin structure. Microvinification Small-scale winemaking technique using specialized equipment for experimental and premium wine production. Mineral Controversial wine tasting term describing stony, chalky aromas and grippy textures in wine. Minerality Wine tasting term describing rock-like, earthy flavors and aromas in wine. Mistela Traditional fortified sweet wine made from grape must and brandy, popular in Peru and Spain. Mistelle French fortified grape juice with added alcohol before fermentation, creating sweet wine products. Mistelle/Mistela Mistelle or mistela is sweet fortified grape must made by adding spirit to unfermented grape juice before fermentation. Moelleux French wine term describing semi-sweet wines with moderate residual sugar levels. MOG Winemaking abbreviation for Material Other than Grapes - unwanted debris harvested with grapes. Monopole French wine term for a vineyard, site, cru, or appellation controlled by a single owner or domaine. Monovarietal Wine made from a single grape variety, showcasing the pure characteristics of that specific cultivar. Moscatel de Alejandría Ancient aromatic white grape variety widely planted across South America, known for sweet wines. Mosto cotto Italian concentrated grape must used for sweetening wine, similar to German süssreserve. Mud Informal winemaking term referring to lees, the sediment deposits that settle during fermentation and aging. Muid Muid meaning: a traditional French large wine cask or historical capacity measure; size varies by region, with demi-muids commonly around 600 liters. Must weight Measurement of sugar concentration in grape must that determines potential alcohol content after fermentation. Mutage French winemaking technique of fortifying wine by adding alcohol to must before or during fermentation. N Napa Valley Prestige California AVA known for powerful Cabernet Sauvignon. Natural Wine Wine made with a minimal-intervention philosophy, often using native yeasts, few additives, and low or no filtration. Nebuchadnezzar Nebuchadnezzar wine bottle size: a 15-liter large-format bottle equal to 20 standard 750 ml bottles, often used for Champagne. Négociant French wine merchant who purchases grapes or wine from growers to blend and sell under their own label. New World wine Wines from non-European regions including Americas, Australia, New Zealand, and South Africa. New Zealand Cool-climate wine country known for Sauvignon Blanc and elegant Pinot Noir. Noble Rot Beneficial fungal infection that concentrates sugars in white grapes for premium dessert wines. O Oak Wood species used for wine fermentation vessels, barrel aging, and flavor enhancement. Oak: American American white oak barrels used in winemaking, imparting distinctive vanilla, coconut, and spice flavors. Oak: European European oak used for wine barrels, including French, Hungarian, and Slavonian oak, known for restrained spice, tannin, and texture. Oechsle German scale measuring sugar content in grape must before fermentation begins. Oenology The scientific study and practice of wine production, fermentation, and winemaking techniques. Off-Dry Off-dry wine has a slight, perceptible sweetness; it is useful tasting language, but not one universal legal grams-per-liter category. OIV International Organisation of Vine and Wine, intergovernmental body for viticulture and winemaking standards. Old World wine Traditional wines from Europe and North Africa's historic viticultural regions with centuries-old winemaking traditions. Orange Wine White wine fermented with grape skins and seeds, creating distinctive orange-amber color and complex flavors. Organic Wine Wine certified under jurisdiction-specific rules for organic grape growing, permitted cellar inputs, and labeling. Organic winemaking Certified wine production under jurisdiction-specific rules for organic grapes, permitted cellar inputs, and labeling. Osmotic pressure Physical force driving water movement across membranes in winemaking fermentation processes. OTR Oxygen transmission rate measurement for wine closures affecting bottle aging variation. Oxidation Chemical process affecting wine quality through oxygen exposure during production and aging. Oxidation / Oxidized Chemical process when wine reacts with oxygen, altering flavor compounds and wine characteristics. Ö ÖWT Austrian association of traditional winemakers promoting quality vineyard site classification and wine excellence. P Pacific Alliance Latin American trade bloc promoting economic integration and wine trade among Chile, Peru, Colombia, and Mexico. Pad filtration Wine clarification method using filter pads to remove particles and sediment. País Chilean name for Mission grape variety, historically significant black grape brought to the Americas by Spanish colonizers. Parral (also Pergola) Traditional South American vine training system using high pergola structures for shade and protection. Passito Italian winemaking technique using dried grapes to produce concentrated, sweet dessert wines. Pasteurization Heat treatment process used to sterilize and stabilize grape must and wine products. Pectic enzyme Enzyme used in winemaking to break down pectin, increasing juice yield and clarifying wines. Perlant French wine term for very lightly sparkling wine with minimal effervescence below pétillant levels. Perlite Volcanic glass filtration medium used in winemaking for clarifying wine with minimal flavor impact. Pétillant French term for lightly sparkling wine with gentle effervescence and lower pressure than Champagne. Phenolic compounds Natural compounds in grapes that determine wine's color, flavor, texture, and aging potential. Phenols Chemical compounds in wine affecting taste, color, and mouthfeel including tannins and anthocyanins. Phylloxera Devastating microscopic louse that attacks grapevine roots, nearly destroying global viticulture in the late 19th century. Pie franco Spanish term for vines planted on their own roots without grafted rootstock. Pipa Traditional pipe-shaped raulí wooden cask used for winemaking in southern Chile, especially for pipeño wine. Pipe Traditional Portuguese oak barrel used for aging Port wine, holding 550 liters. Pipeño Traditional Chilean country wine linked to País grapes and wooden pipas, valued for rustic low-intervention styles. Piquant French wine term describing refreshing, well-balanced white wines with bright acidity and appealing fruit character. Pisco South American brandy distilled from specific grape varieties in Peru and Chile's wine regions. Plonk British slang for cheap, low-quality wine, possibly derived from French "blanc" Podere Italian agricultural term for a small rural wine estate or farm property. Poggio Italian geographical term meaning hill or elevated place, commonly used in wine estate names. Polishing Ultrafine wine filtration process using kieselguhr or perlite for exceptional clarity and brightness. Pomace Solid grape residue remaining after wine pressing, consisting of skins, seeds, and stems. Pot still Traditional copper distillation vessel used for producing Cognac and premium spirits through batch distillation. Potable alcohol Ethyl alcohol safe for human consumption, the primary intoxicating compound in wine. Potential alcohol Calculated maximum alcohol percentage achievable if grape must ferments completely to dryness. Pousada Portuguese bed and breakfast accommodation often found in wine regions and rural areas. Pre-fermentation maceration Winemaking technique where grape must contacts skins before fermentation begins to extract color and compounds. Premier cru French classification meaning "first growth" used for top-tier vineyard sites in Burgundy and Champagne regions. Premium wines Higher quality wines with superior craftsmanship, aging potential, and distinctive characteristics beyond everyday table wines. Produttori Italian term for wine producers, commonly appearing on cooperative winery labels throughout Italy. Protein haze Cloudy wine condition caused by excessive protein particles reacting with tannins. Pupitre A pupitre is a wooden riddling rack used to hold sparkling wine bottles at an angle during traditional-method production. Puttonyos Historical Tokaji Aszú measure now used as an optional traditional indication; current Aszú must contain at least 120 g/L residual sugar. Pyrazines Aromatic compounds in grapes creating herbaceous, green bell pepper, and grassy flavors in wine. Q QbA Older abbreviation for German Qualitätswein from a specified wine region, now usually labeled Qualitätswein. QmP Former German wine label abbreviation for Qualitätswein mit Prädikat, now called Prädikatswein. QPR Wine industry acronym measuring the relationship between wine quality and price point. Qualitätswein Austrian quality wine classification requiring official analysis, tasting approval, and regional designation. Quinta Quinta means a Portuguese farm or wine estate, especially a vineyard property in regions such as the Douro. Qvevri Traditional Georgian clay wine vessel used for fermentation, storage, and aging. R Racking Wine clarification technique transferring clear wine from sediment to clean vessels during production. Rancio Fortified wine aged through controlled oxidation, developing complex nutty and caramelized flavors. Ratafia Traditional French liqueur combining unfermented grape juice with brandy made from grape pomace residue. Raulí Native South American beech tree traditionally used for wine cask production in Chile and Argentina. Recioto Traditional Italian sweet wine made from dried passito grapes, primarily in Veneto region. Récoltant French wine term for grower-producers who cultivate grapes and make their own wine. Rectifier Second distillation column in patent stills that purifies wine-based spirits through fractional separation. Reduction Wine flaw caused by insufficient oxygen during fermentation, creating sulfur compounds with distinctive aromas. Rehoboam The 4.5-liter bottle name in the official Champagne size sequence, equal to six standard 750 mL bottles. Remontage French winemaking technique of pumping wine over grape skins to enhance extraction and maceration. Remuage French term for riddling, the traditional Champagne method of rotating bottles to consolidate sediment. Reserva Spanish wine aging classification requiring minimum oak and cellar aging periods. Reserve A wine label term with varying meanings across countries, from unregulated marketing to strict quality designations. Reserve cuvee Still wines from previous vintages reserved for blending in sparkling wine production. Reserve/Riserva/Reserva Wine quality designations indicating premium wines with extended aging and higher standards. Residual sugar Residual sugar is sugar left in finished wine; label classifications usually rely on defined analytical sugar measurements rather than taste alone. Reverse osmosis/RO Wine concentration technique using membrane filtration to remove water or reduce alcohol content. Rich Wine descriptor indicating full-bodied character with concentrated flavors, high sugar content, or luxurious mouthfeel. Riddling Traditional sparkling wine technique rotating bottles to collect sediment for removal Ripasso Italian winemaking technique using secondary fermentation on Amarone lees in Valpolicella region. Riserva Italian wine designation indicating extended aging beyond standard requirements for enhanced quality and complexity. Roble Spanish term for oak, indicating wine aged in oak barrels for enhanced flavor and complexity. Rosé wines Pink-hued wines made through limited skin contact or blending methods, offering fresh, versatile drinking experiences. S Saccharometer Saccharometer meaning in winemaking: a hydrometer used to estimate sugar in grape juice or must for Brix, potential alcohol, and fermentation tracking. Sack Historical English term for fortified Spanish wines, particularly Sherry from Jerez region. SAG Chile's official agricultural service regulating vineyards, producers, and controlling plant material imports. Saignée French winemaking technique removing juice from grape must to concentrate remaining wine. Salmanazar A large format wine bottle holding 9 liters, equivalent to 12 standard bottles. Salta High-altitude Argentine region producing bright, aromatic wines. San Francisco grape Rare Chilean Criolla grape variety with distinct variants found in Huasco and Itata wine regions. Sans Soufre French wine label term meaning "without sulfur," indicating minimal or no added sulfites during production. Screwcap Modern wine bottle closure system using threaded metal caps, offering superior sealing and convenience. Sec French wine term meaning "dry" in most contexts, but "semi-sweet" specifically for Champagne classifications. Sec/Secco/Seco Sec, secco, and seco mean dry on wine labels; in Champagne and sparkling wine, Sec is sweeter than Brut. Secano Spanish term for dry farming viticulture practiced without irrigation systems. Secco Secco means dry in Italian wine, indicating little residual sugar; compare it with Spanish vino seco and Prosecco sweetness terms. Seco Spanish term meaning "dry" used to describe wines with minimal residual sugar content. Secondary fermentation Alcoholic fermentation in a sealed bottle or pressure-resistant tank that creates the carbon dioxide in sparkling wine. Selection Former German statutory label term for qualifying Qualitätswein; not a current VDP classification tier. Semi-generic US wines named after European regions but modified with American geographic origin designations. Singani Bolivia's national brandy distilled from Moscatel de Alejandría grapes in high-altitude regions. Skin contact Wine production technique where grape juice remains in contact with grape skins during fermentation. Smaragd Austrian Wachau's highest wine classification requiring 18.2°KMW must weight and 12.5% alcohol minimum. Solera system Traditional Spanish aging method blending multiple vintages of fortified wines like Sherry. Solomon A Solomon wine bottle holds 18 litres, equal to 24 standard 750 ml bottles. Sommelier A sommelier is a trained wine professional who helps select, pair, store, and serve wine, especially in restaurants. Sorbic acid Wine preservative that prevents yeast fermentation and can cause geranium-like off-flavors. Souped up Wine blending technique where lighter wines are strengthened with more robust, full-bodied wines. South Africa Wine country with regions like Stellenbosch and Swartland producing savory reds. Soutirage French winemaking term for racking, the process of transferring wine from sediment. Sparging Winemaking gas-management technique that bubbles inert gas or carbon dioxide through wine to adjust oxygen or dissolved CO₂. Sparkling wine Effervescent wine with carbon dioxide bubbles created through various production methods worldwide. Spätlese German late harvest wine classification requiring naturally concentrated grapes without chaptalization. Spinning cone column Advanced distillation technology used to precisely reduce alcohol content in wine while preserving flavor compounds. Split A small wine bottle commonly labeled 187 mL in the United States; read the net contents because “quarter” formats vary by market. Spritzig German wine term describing lightly sparkling wines with gentle effervescence and refreshing character. Stabilization Wine stabilization process removing particles to prevent unwanted chemical changes after bottling. Stabilizer Wine additive that prevents re-fermentation in sweetened wines by disrupting yeast reproduction cycles. Standard Bottle A 750 mL wine bottle used as the comparison baseline for other wine bottle sizes. Steinfeder Austrian Wachau wine classification for lightest-bodied wines with 15-17°KMW must weight and maximum 11% alcohol. Stickies Australian slang for sweet dessert wines including fortified and botrytized varieties. Still wine Wine without carbonation or effervescence, produced through standard fermentation without secondary bubble-creating processes. Stoving wine Artificial wine aging method using controlled heat exposure to accelerate maturation processes. Stravecchio Italian term meaning "very old," designating aged wines, particularly Marsala with extended maturation periods. Stretching Wine dilution practice using water to reduce alcohol content, often illegal in regulated regions. Stuck fermentation Wine fermentation that stops prematurely before all sugars convert to alcohol, requiring intervention. Sulfites Chemical preservatives in wine that prevent oxidation and microbial spoilage, naturally occurring or added during production. Sulfur Compounds Chemical compounds in wine that contribute both positive and negative aroma characteristics. Sulphur dioxide Essential wine preservative and antioxidant that prevents oxidation and microbial spoilage during production. Supérieur/Superiore French and Italian label terms whose additional requirements are defined by each authorizing denomination. Superiore Italian label term whose additional requirements are defined separately by each authorizing denomination. Sur lie French winemaking technique where wine ages on lees for enhanced flavor and texture development. Sur pointe French sparkling wine term for bottles aged neck-down after autolysis, before disgorgement. Süss (Süß) German wine classification for sweet wines containing more than 45 grams per liter residual sugar. Süssreserve Unfermented grape juice reserve used to sweeten German wines after fermentation completion. Szamorodni Hungarian wine style made from mixed healthy and botrytis-affected grapes in Tokaj region. T Table wine Everyday drinking wines that are not sparkling or fortified, meeting specific alcohol requirements. Tafelwein Legacy German term for basic table wine; modern labels generally use Deutscher Wein for the comparable entry-level category. Taille Second pressing fraction in Champagne production, taken after the cuvée and usually broader/less fine than first-press juice. Tails Final distillation fraction containing volatile compounds, typically discarded in Cognac and Armagnac production. Talento Italian sparkling wine made using traditional Champagne method, similar to Spanish Cava designation. Tannin Phenolic compounds in wine providing structure, preservation, and astringent mouthfeel sensations. Tannin(s) Bitter, astringent compounds in wine providing structure, texture, and mouthfeel from grape skins, seeds, stems, and oak. Tartaric acid Primary natural acid in wine grapes, crucial for wine stability and taste balance. Tartrates Harmless crystalline deposits of tartaric acid that naturally precipitate from wine during storage or cold exposure. Tasting flight A curated selection of wines served together for comparative tasting and educational sampling purposes. TCA Chemical compound causing cork taint, the most common wine fault affecting aroma and flavor. Tenuta Italian term for "estate," commonly used to designate wine properties and agricultural holdings. Terpene Aromatic compounds in grapes responsible for distinctive varietal characteristics and wine aromas. Terremoto Chilean cocktail made with pipeño wine, bitters, and ice cream that literally means "earthquake" Terroir The unique environmental factors that give wine its distinctive sense of place and character. Tête de cuvée French wine term for a producer’s top cuvée or prestige bottling; in some contexts, the finest portion of a pressing or blend. Thermal amplitude Daily temperature variation between day and night that significantly impacts wine grape quality and development. Tinaja / Botija A tinaja is a large clay wine vessel; in Peru, related clay vessels called botijas are used for fermentation and storage. Tinto de verano Spanish refreshing summer drink mixing red wine with carbonated lemon soda or gaseosa. Tintorera Spanish term for teinturier grapes with dark-colored flesh used for wine coloring. Toast Controlled charring of oak barrel staves that imparts flavor compounds to wine during aging. Toneles Large traditional oak vats used in Argentine winemaking, ranging from 10,000 to over 50,000 litres capacity. Tonneau Traditional French wine cask holding 900 litres, equivalent to 100 cases of standard bottles. Topping Essential barrel maintenance process replacing wine lost to evaporation during aging. Torrontés Argentina's signature aromatic white wine grape variety with distinctive floral and citrus characteristics. Total acidity The complete measure of all acids in wine, expressed in grams per liter. Traditional method Classic sparkling wine production technique involving secondary fermentation in the final bottle. Transfer method Sparkling wine process with bottle fermentation followed by isobaric transfer, tank clarification, and rebottling. Triage French winemaking term for sorting grapes after harvest to remove inferior bunches and debris. Trocken Trocken meaning in wine: German for dry, used on Riesling and other labels to indicate low residual sugar. TTB U.S. Alcohol and Tobacco Tax and Trade Bureau, the federal agency that regulates wine labeling, permits, taxation, and trade compliance. Tun Large traditional wine cask holding approximately 252 gallons or two butts capacity. Tuscany Central Italian region known for Sangiovese and Super Tuscan blends. Typicity The degree to which a wine authentically expresses its grape variety and terroir characteristics. U UC French abbreviation for Union Coopérative, representing regional or local wine cooperatives in France. Ullage Ullage means the empty headspace above wine in a bottle, barrel, or tank, and it helps signal storage condition and oxidation risk. Una botella Spanish term for "a bottle" - the standard wine container in Argentine viticulture and wine service. Una cata Spanish term for wine tasting, a formal evaluation process to assess wine characteristics and quality. United States Wine-producing country with major regions in California, Washington, and Oregon. Uvaggio Italian wine term for blends made from multiple grape varieties, opposite of varietal wines. V VA lift Wine tasting shorthand for slight volatile acidity that can lift fruit aromas when controlled but becomes a fault when excessive. Vacuum distillation Winemaking technique removing water from grape must at low temperatures to preserve delicate flavors. Vanillin Primary aromatic compound from vanilla beans and oak barrels, contributing sweet flavors to wine. Varietal Wines made from a single grape variety, showcasing the pure characteristics of that specific grape. VC Spanish abbreviation for vino comarcal, a regional wine classification similar to French vin de pays. VDL French abbreviation for vin de liqueur, fortified wine made by adding alcohol before fermentation begins. VDLT Spanish wine classification abbreviation for vino de la tierra, indicating regional country wines. VDN French fortified wine abbreviation for vin doux naturel, made by adding grape spirit during fermentation. VDQS French wine classification system ranking between AOC and Vin de Pays quality levels. VDT Legacy Italian wine abbreviation for Vino da Tavola, the old table wine category. Vecchio Italian aging designation meaning "old" used in regulated DOC/DOCG wine regions for extended maturation requirements. Vendangé à la main French term describing wine made from grapes harvested entirely by hand rather than machine. Vendange tardive French late harvest wine designation exclusive to Alsace requiring specific grape ripeness levels. Véraison The critical grape ripening phase when berries change color and begin sugar accumulation. Vermouth Fortified aromatized wine flavored with botanicals including wormwood, used in cocktails and aperitifs. Vertical wine tasting Wine tasting method comparing multiple vintages of the same wine from one producer. Vieilles vignes French term for "old vines" with no legal definition, indicating mature grapevines valued for quality. Viejo Spanish term meaning "old," describing wines that have undergone extended aging processes. Vigneron French term for a vine grower or winemaker who cultivates grapes and produces wine. Vigneto Italian term for vineyard, referring to a planted area of grapevines cultivated for winemaking. Vin Vin means wine in French. Learn vin, vins, le vin, vin rouge, and vin blanc in wine-label context. Vin d'une nuit French rosé wine made with minimal skin contact, typically just one night of maceration. Vin de garde French wine term describing bottles with exceptional aging potential and cellar-worthiness. Vin de glace French term for ice wine: a dessert wine made from grapes frozen on the vine and pressed while still frozen. Vin de paille French dessert wine made from grapes dried on straw mats or hung to concentrate sugars. Vin de pays French regional wine classification above table wine but below quality designations. Vin de presse Press wine extracted from grape skins and solids after free-run wine is drained, used selectively for color, tannin, and structure. Vin de rebèche Final Champagne pressing juice collected after cuvée and taille; not allowed for Champagne production and usually sent to distillation. Vin de table French table wine classification representing the most basic category in France's wine appellation system. Vin doux naturel French fortified sweet wine made by adding grape spirit during fermentation to preserve natural sugars. Vin jaune Unique French yellow wine aged under protective yeast film, similar to Sherry production methods. Vin mousseux Generic French term for sparkling wine made using various production methods. Vin nouveau French term for very young wine intended for immediate consumption within its vintage year. Vin ordinaire French term for ordinary, everyday table wine of basic quality and affordable price. Viña Spanish term for vineyard, commonly used in winery names and wine regions throughout Spain and Latin America. Vinho Portuguese word for wine, fundamental term in Portuguese and Brazilian wine culture. Viniculture Viniculture means wine production as a broad practice, often used for winemaking and sometimes including grape growing for wine. Vinification The complete winemaking process transforming grape juice into wine through fermentation and cellar techniques. Vinimatic Enclosed rotating fermentation tank designed to maximize extraction while minimizing oxidation during maceration. Vino Vino means wine in Italian and Spanish; vinos is the plural form often used for wines. Vino blanco Vino blanco means white wine in Spanish. Learn its English meaning, pronunciation, common white-wine styles, and related terms like vino tinto and vino rosado. Vino espumoso Spanish term for sparkling wine, including bottle-fermented and tank-method styles. Vino Generoso Spanish term for fortified wines, including sherry, with added alcohol for preservation and flavor enhancement. Vino novello Italian young wine released shortly after harvest, similar to French Beaujolais Nouveau. Vino patero Traditional Spanish-language term for rustic foot-trodden wine, especially homemade or small-scale wine in South America. Vino rosado Spanish term for rosé wine, produced through limited skin contact with red grapes. Vino tinto Spanish term for red wine, literally meaning "tinted wine," emphasizing color over intensity. Vinous Wine tasting term describing freshly fermented flavors and grape-forward characteristics in wine. Vintage The year grapes were harvested and the winemaking process from grape picking to finished wine production. Vitis vinifera The primary grapevine species used for premium wine production worldwide, originating from Europe. Volatile acidity Acids in wine that evaporate at low temperatures, detectable by smell and taste. Volatile phenols Phenolic compounds in wine that can create off-flavors or contribute complexity in small amounts. W Waiter's friend Compact, multi-tool corkscrew featuring knife, screw, and lever arm, preferred by hospitality professionals. Wash Fermented base wine or wash used for distillation in wine-based spirits such as Cognac and Armagnac. Washington State US wine region with Columbia Valley and structured, value-driven reds. Wine Alcoholic beverage produced through fermentation of grape juice, central to global culture and cuisine. Wine cave Natural or artificial underground chamber designed for optimal wine storage and aging conditions. Wine cellar Underground or climate-controlled storage space designed for optimal wine aging and preservation conditions. Wine fault Undesirable characteristics in wine caused by defective winemaking processes or improper storage conditions. Wine sweetness chart Compare dry, medium-dry, semi-sweet, and sweet still wines with Brut through Doux sparkling labels—and learn why acidity changes perceived sweetness. Wine-press Traditional winemaking apparatus for crushing grapes and extracting juice through mechanical pressure application. Winemaker A skilled professional who oversees the entire wine production process from grape to bottle. Winery A facility or business dedicated to wine production, from grape processing to bottling and aging. Wood lactones Aromatic compounds from oak barrels that impart creamy, coconut, and vanilla flavors to wine. Y YAN Yeast assimilable nitrogen measurement crucial for healthy wine fermentation and yeast metabolism. Yeast Living single-celled fungi that ferment grape sugars into alcohol and carbon dioxide; yeast are not enzymes but produce enzymes. Yeast enzymes Specialized protein catalysts within yeast cells that drive specific biochemical reactions during wine fermentation. Z Zaranda Traditional Chilean grape destemming tool using cane mats to separate berries from stems. Zonda (viento zonda) A fierce, hot, dry foehn wind affecting Argentina's major wine regions, especially Mendoza.