Charmat method

English

Etymology

Named after Eugène Charmat, one of the inventors.

Proper noun

the Charmat method

1. A technique for producing sparkling wine, in which the wine is mixed in a stainless steel pressure tank with sugar and yeast. Fermentation occurs in a closed system, so carbon dioxide dissolves in the wine. When the sugar is converted into alcohol and carbon dioxide, the yeast is filtered and removed, and the wine containing the dissolved carbon dioxide is transferred from the closed reactor vessel into bottles.