One of the two principal organic acids of grapes and wines. Ist name comes from malum, Latin for apple, the fruit in which it was first identified. Present in nearly all fruits and berries.
A common plant acid, abundant in some fleshy fruits such as lemons, but rare in grapes. The grape is unusual among fruits in that its major acid is tartaric acid, rather than citric acid, whose concentration in the juice of most grape varieties is only about one-twentieth that of tartaric acid.
Progressive winemaking operation which removes suspended and insoluble material from grape juice, or new wine, in which these solids are known as lees.
In common viticultural terms, the offspring of two varieties of different species, as distinct from a cross between two varieties of the same species, which is also known as an intraspecific cross.
One of the most important wine rivers, linking a range of vineyards as dissimilar as those of Châteauneuf-du Pape in southern France, sparkling Seyssel, and Fendant du Valais in Switzerland.
Long, loosely defined strip of tuskan coastline south of Livorno extending southwards through the province of Grosseto. Production of bottled wine is consequently a recent phenomenon and quality wine can be said to date from the first bottles of Sassicaia in the 1970s, although the zone of Morellino di Scansano, enjoyed a certain reputation in the past.
Appellation for France's finest and certanly most complex vins doux naturels, made from vertiginous terraced vineyards above the Mediterranean at the southern limit of Roussillon.
Village in the Côte de Beaune district of Burgundy's Côte d'Or tucked out of the limelight between Meursault and Puligny-Montrachet. A high production, two-thirds, of the vineyards area is designated premier cru, notably Les Charmois, La Chantenière, En Remilly and Les Murgers Dents de Chien.
Stands for Denominazione di Origine Controllata e Garantita, a legal category established in Italy in 1963 for its highest-quality wines, at the same time as its DOC was created as an Italian version of the French appellation contrôllée.
Wine trade term, French in origine, for wine sold as futures before being bottled. It comes from the word primeur. Cask samples of wines have customarily been shown in the spring following the vintage.
Adapted by the champagne industry for wines made without (much) added sweetening or dosage. The upper limit for the resiudual sugar of a brut champagne has been reduced from 15 to 12 g/l.
Winemaking technique of fermenting grape juice or must in small barrels rather than in a larger fermentation vessel. The technique is used principally for white wines because of the difficulty of extracting through a barrel's small bung-hole the mass of skins and seeds which necessarily remains after red wine fermentation.
Widely used French term for a specialist wine waiter or wine steward. The sommelier's job is to ensure that any wine ordered is served correctly and, ideally, to advise on the individual characteristics of every wine on the establishment's wine list and on food and wine matching.
French term for punching down, the winemaking operation of breaking up and submerging the cap of skins and other solids during red wine fermentation to stop the cap from drying out.