crys‧tal‧lize (also crystallise British English) /ˈkrɪstəlaɪz/ verb

1. [intransitive and transitive] if a liquid crystallizes, it forms crystals:
The liquid will crystallize at 50 degrees centigrade.

2. [intransitive and transitive] if an idea, plan etc crystallizes or is crystallized, it becomes very clear in your mind:
Inside her a thought was crystallizing.
—crystallization /ˌkrɪstəlaɪˈzeɪʃən $ -lə-/ noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲