Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Being, relating to, or composed of crystal or crystals.
  • adj. Resembling crystal, as in transparency or distinctness of structure or outline.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. of, relating to, or composed of crystals
  • adj. having a regular three-dimensional molecular structure
  • adj. resembling crystal in being clear and transparent
  • n. Any crystalline substance.
  • n. aniline

from the GNU version of the Collaborative International Dictionary of English

  • adj. Consisting, or made, of crystal.
  • adj. Formed by crystallization; like crystal in texture.
  • adj. Imperfectly crystallized.
  • adj. Fig.: Resembling crystal; pure; transparent; pellucid.
  • n. A crystalline substance.
  • n. See Aniline.

from The Century Dictionary and Cyclopedia

  • Consisting of crystal.
  • Relating or pertaining to crystals or crystallization.
  • Formed by crystallization; of the nature of a crystal, especially as regards its internal structure, cleavage, etc.: opposed to amorphous.
  • Resembling crystal; pure; clear; transparent; pellucid: specifically applied in anatomy to several structures, as the crystalline humor, cones, etc. See below.
  • In entomology, reflecting light like glass: specifically applied to the ocelli or simple eyes when they are apparently colorless, resembling glass.
  • n. A crystallized rock, or one only partially crystallized, as granite.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. consisting of or containing or of the nature of crystals
  • adj. transmitting light; able to be seen through with clarity
  • adj. distinctly or sharply outlined

Etymologies

Middle English cristallin, from Old French, from Latin crystallinus, from Greek krustallinos, from krustallos, ice, crystal; see kreus- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
crystal +‎ -ine (Wiktionary)

Examples

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