Silicon dioxide (silica), a very common rock-forming mineral. It is seen as glassy, colourless grains in rocks such as granite and sandstone, producing sandy soils of low fertility. It also occurs as opaque white veins filling gashes in bedrocks, which weathering loosens into fragments that become the milky white pebbles seen in many vineyards soils.
Occasionally madeirization, is the process by which a wine is made to taste like Madeira, involving mild oxidation over a long period and, usually, heat.
Term used as France's shorthand for the country's finest dry sparkling wines made outside Champagne using the traditional method of sparkling winemaking.
The general French term both for grape pomace and, more widely, for pomace brandy. It is used to distinguish the product from a fine, which may be made by distilling local wine. Most traditional wine regions make marc from the pomace, grape skins, and pips left after pressing.
Meaning literally "yellow wine" in French, extraordinary style of wine made in France, mainly in the Jura region, using a technique similar to that used for making Sherry but without fortification.
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.
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.
Winemaking process with the aim of clarification and stabilization of a wine whereby a fining agent, one of a range of special materials, is added to coagulate or adsorb and precipitate quickly the colloids suspended in it.
Red winemaking process which transforms a small amount of sugar in grapes which are uncrushed to ethanol, without the intervention of yeasts, it is used typically to produce light-bodied, brightly coloured, fruity red wines for early consumption, most famously but by no means exclusively in the Beaujolais region of France.
French word for various systems of pumping over. In winemaking terms it is the pumping of the liquid in the fermentation tank over the cap of skins and solids during the red wine fermentation.
Appellation abutting Gevrey-Chambertin in the Côte de Nuits district of Burgundy, producing red wines of a similar style to ist neighbour, though currently of lesser fame.
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.
The mountain of Reims, or the forested high ground between the Champagne towns of Reims and Épernay. Ist lower slopes are famed for the quality of Pinot Noir base wine they produce.
Is a complex of sensations resulting from the shrinking, drawing, or puckering of the tissues of the mouth. The most important astringent materials are tannins.
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.
Is a term used particularly in Burgundy for wine which qualifies for an appellation that coincides with the name of the village or commune in which the wine is made.
In white winemaking, the pomace is the sweet, pale brownish-green mass of grape skins, stems, seeds and pulp left after pressing. In red winemaking, the pomace is coloured blackish red.
