1. to make something form into crystals
    I crystallized the copper sulphate by slowly cooling a saturated solution.
  2. to assume a crystalline form
    The copper sulphate crystallized from solution.
  3. to give something a definite or precise form
    After some thought, I crystallized my ideas for the paper.
  4. to take a definite form
    My ideas crystallized overnight.
  5. to coat something with crystals, especially with sugar
    We crystallized the fruit by coating in sugar.

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