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chaptalization

[shap-tuh-luh-zey-shuh n]
noun
  1. a method of increasing the alcohol in a wine by adding sugar to the must before or during fermentation.
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Origin of chaptalization

First recorded in 1890–95; chaptalize + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018