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.
A fortified wine made by adding brandy to arrest fermenting grape must which results in a wine, red and sometimes white, that is both sweet and high in alcohol.
The much-imitated French system for the designation and control of important geographical names not only of wines, but also of spirits, as well as many foods.
Is the winemaking operation of storing a fermented wine in wooden barrels to create ideal conditions for the components of the wine to evolve and so that the wood imparts some oak flavour.
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.
Large and prosperous village in the Côte de Beaune district of Burgundy's Côte d'Or producing mostly white wines from the Chardonnay grape. Although Meursault contains no Grand Cru vineyards, the quality of white burgundy from Meursault's best Premier Crus is rarely surpassed.
Often abbreviated to MLF or malo, is the conversion of stronger malic acid anturally present in new wine into lactic acid (which has lower acidity) and carbon dioxide.
Term much used in the wine world, initially smoewhat patronizingly but with increasing admiration in the last quarter of the 20th century as the New World's share of global exports rose from 3 to 23%, to distinguish the colonies established as a result of the longer voyages in the 15th century.
French term meaning "bled" for a winemaking technique which results in a rosé wine made by running off, or "bleeding", a certain amount of free-run juice from just-crushed dark-skinned grapes after a short, prefermentation maceration.
Is a French synonm for Sauvignon Blanc, notably in Pouilly-sur-Loire, centre of the Pouilly-Fumé, or Blanc Fumé de Pouilly, appellation, many of whose aromatic dry whites do indeed have a smoky, if not exactly smoked, perfume.
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.
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.
