Glossary Terms

Heart

The middle, best section of the distillate, often called the middle cut, which goes into the cask/barrel.

Heads

The first spirit to come from a still in the second distillation, high in methanol and other volatile compounds. It is either discarded or redistilled. See also Foreshots.

Grist

A rough flour made by milling the grains used for fermentation. Water is added to form the wort.

Green malt

Germinated barley that has not been dried.

Grain whisky

A spirit made from grains such as corn, wheat, or rye that has typically been distilled in a column still. Some countries, like Scotland and Ireland, have regulations defining grain whisky more specifically.

Foreshots

The first spirit to come from a still in the second distillation, high in methanol and other volatile compounds. It is either discarded or redistilled. See also Heads.

Floor malting

A traditional process where barley is germinated on a floor, turned by hand. Mostly replaced with more efficient modern processes like drum malting. The germination process converts barley’s starches to fermentable sugars, and the process

Flavoring grain

In bourbon, refers to the secondary grain, such as rye or wheat, which has an effect on flavor profile if present in a large amount.

Flavored whisky

Whisky with additives, such as artificial flavoring or natural ingredients like fruit or honey, that change the taste. Often bottled below 40% ABV, the minimum proof for most whiskies.

First-fill

A cask that has previously been used to age sherry, port, bourbon, or other aged wines or spirits, and is now being used to age another whisky for the first time. First-fill casks impart the

Finish

The aftertaste that lingers on the palate after consuming whisky. This is described both in terms of flavor characteristics and length. Can also refer to the process of cask finishing, where fully mature whisky is

Fermenter

The container in which mash is fermented with yeast into an alcoholic wash before distillation. See also Washback.