Yeast –  A micro-organism that converts grape sugars into alcohol. Can be indigenous or man-made.

Yeastya tasting term noting the rich aromas and smells from resulting and a wine Which Spends time resting on lees icts.

Yield – The productivity of a vineyard expressed either in hecta-litre per hectare or tonnes.

Young – An immature wine that is usually bottled and sold within a year of its vintage.  Wines meant to be

drunk “young” are noted for their fresh and crisp flavors.