1 tr. & intr. form or cause to form crystals.
2 (often foll. by out) a intr. (of ideas or plans) become definite. b tr. make definite.
3 tr. & intr. coat or impregnate or become coated or impregnated with sugar (crystallized fruit).
Derivatives:
crystallizable adj. crystallization n.
Useful english dictionary. 2012.