Is “Chaptalize” a Scrabble word?
Yes
CHAPTALIZE
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Chaptalize
verb
1.To add sugar to grape juice during the fermentation of wine, usually to increase the alcohol content.