crystallize means: The process of forming sugar- and honey-based syrups to crystals. This term can also be used to describe the coating. (in Cooking Dictionary)

What else does crystallize mean?

Cause crystal formation or a crystal structure. (in Merlin Dictionary)

A form that is definite, specific, and often permanent. (in Merlin Dictionary)

As with sugar, to coat with crystals. (in Merlin Dictionary)

A permanent, definite and precise form. (in Merlin Dictionary)