Whiskey (or whisky) refers to a range of alcoholic drinks distilled from fermented grain mash and aged in wooden casks. The quality and purity of whiskey are all measured to one standard, while fermentation rates are a measure of the quality of whisky at the distillation. In order to make wine the spirit is filtered under the hood through several layers which, when added to the wine at the distillation, add the same spirit with varying quality and purity characteristics. Each layer of whisky contains a separate layer which is the glass...This content is based on data from multiple web sources. If you see any errors, please contact us.