| Noun | 1. | crystallization - the formation of crystalschemical phenomenon - any natural phenomenon involving chemistry (as changes to atoms or molecules) | |
| 2. | crystallization - a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane facescrystallite - any of numerous minute rudimentary crystalline bodies of unknown composition found in glassy igneous rock rock, stone - a lump or mass of hard consolidated mineral matter; "he threw a rock at me" | |
| 3. | crystallization - a mental synthesis that becomes fixed or concrete by a process resembling crystal formation | |