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1. The formation of crystals
   - crystallization, crystallisation [Brit], crystallizing

1. Make free from confusion or ambiguity; make clear
   - clear, clear up, shed light on, crystallize, crystalize, crystalise [Brit], straighten out, sort out, enlighten, illuminate, elucidate
    
2. Cause to form crystals or assume crystalline form
   "crystallise minerals"
   - crystallize, crystalize, crystalise [Brit]
    
3. Cause to take on a definite and clear shape
   "He tried to crystallise his thoughts"
   - crystallize, crystalise [Brit], crystalize
    
4. Assume crystalline form; become crystallized
   - crystallize, crystalize, crystalise [Brit], effloresce

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