1. Having become fixed and definite in form
   "distinguish between crystallised and uncrystallized opinion";
   - crystallized, crystalized
    
2. Having both internal structure and external form of a crystal
   "quartz crystal is perfectly crystallised";
   - crystallized, crystalized

1. (physics) cause to form crystals or assume crystalline form
   "crystallise minerals";
   - crystallize, crystalize [US, rare]
    
2. Assume crystalline form; become crystallized
   "The sugar solution crystallised as it cooled";
   - crystallize, crystalize [US, rare], effloresce
    
3. Make clear or more understandable; remove confusion or ambiguity
   "The professor's explanation crystallised the concept for the class";
   - clear, clear up, shed light on, crystallize, crystalize [US, rare], straighten out, sort out, enlighten, illuminate, elucidate
    
4. Cause to take on a definite and clear shape
   "He tried to crystallise his thoughts";
   - crystallize, crystalize [US, rare]

See also: crystalline

Type of: change integrity, clarify, clear up, elucidate, form, shape, solidify

Antonym: uncrystallised [Brit]

Encyclopedia: Crystallised