With one easy click you can quickly obtain the definition of a winemaking or wine term. The definitions supplied here are extracted from official documents or universally accepted by industry professionals. The glossary is in alphabetical order. For faster searching, click on the first letter of your search term. Happy reading!

A B C D E F G H I J L M N O P R S T U V W Y   YEAST Single-celled microscopic organisms that carry out primary fermentation. They are naturally present on the grape skins, but are generally added to the grape must during primary fermentation and multiply rapidly. They cannot survive at temperatures over 33°C (91°F)   A B C D E F G H I J L M N O P R S T U V W Y