chaptalization

[ shap-tuh-luh-zey-shuh n ]
/ ˌʃæp tə ləˈzeɪ ʃən /

noun

a method of increasing the alcohol in a wine by adding sugar to the must before or during fermentation.

Origin of chaptalization

First recorded in 1890–95; chaptalize + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019