What is chaptalization? Here are some definitions.
Noun
the addition of sugar to grape juice in the fermentation of wine. Usually done if the grapes are thought to lack enough natural sugars for the desired alcohol content.
Examples
Chaptalization is common in northern Europe, where grapes have to struggle to fully ripen.
For instance, adding sugar, or chaptalization, is not permitted in California.
Not so many years ago the debate focused on chaptalization and acidification.