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Adjective: crystalline  kris-tu-lun or 'kris-tu,lIn [N. Amer], 'kris-tu,lIn [Brit]
  1. Consisting of, containing or of the nature of crystals
    "granite is crystalline"
  2. Distinctly or sharply outlined
    "crystalline sharpness of outline"
  3. Transmitting light; able to be seen through with clarity
    "the cold crystalline water of melted snow";
    - crystal clear, limpid, lucid, pellucid, transparent

See also: clear, crystalised [Brit], crystalized, crystallised [Brit], crystallized, distinct, microcrystalline, polycrystalline

Antonym: noncrystalline

Encyclopedia: Crystalline