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Wine Terminology

Glossary terms


Living substance responsible for the production of the enzymes that permit fermentation, the conversion of sugar into alcohol, with heat and carbon dioxide as by products.

Yeast occurs naturally on grape skins, but many winemakers today use specially selected cultured yeasts to allow better control of the fermentation.


Quantity of grapes harvested from a given area of vineyard.

Received wisdom is that low yield equals high quality, though in practice there are many factors at work, including density of plantation, local climate, etc. Yields are normally expressed in weight per unit area (tons per acre) or volume per unit area (hectolitres per hectare).

Decanter Events Pictures

Decanter Events picture galleries: still photos by Decanter's professional wine photographers of Decanter Events. Decanter runs more than 6 wine events a year, including our three yearly Fine Wine Encounters, now in their 14th year. Other events inlude our series of hugely popular 'Taste of...' events, and regular trade and consumer tastings

Decanter Events Pictures