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The language of wine contains a wealth of meanings that are not all too familiar, particularly the technical interpretations. The glossary describes and offers an explanation to the most common terms.
fermentation
Definition:microbiological decomposition of organic matterThe alcoholic fermentation converts the available sugars in the grape must into alcohol and carbon dioxide, with brewer's yeasts (Saccharomyces cerevisiae) as its catalyst. During this process, heat is produced, along with carbon gases, that need to be released. (Grape must + yeasts = alcohol + carbon dioxide + heat).
