Glossary of Wine Terms - I

I

Ice wine

Wine made from frozen grapes. Written, and trademarked as a single word - Icewine - in Canada. Called Eiswein in German.

Imperial

A large bottle holding six litres, the equivalent of eight regular wine bottles.

IGT

Abbreviation for "Indicazione Geografica Tipica", the lowest-ranking of the three categories of Italian wine regulated by Italian law.

International variety

Grape varieties grown in nearly every major wine region, for example Cabernet Sauvignon, Chardonnay and Merlot