from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Being, relating to, or composed of crystal or crystals.
  • adjective Resembling crystal, as in transparency or distinctness of structure or outline. synonym: clear.

from The Century Dictionary.

  • 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.
  • noun A crystallized rock, or one only partially crystallized, as granite.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A crystalline substance.
  • noun obsolete See Aniline.
  • adjective Consisting, or made, of crystal.
  • adjective Formed by crystallization; like crystal in texture.
  • adjective Imperfectly crystallized.
  • adjective Fig.: Resembling crystal; pure; transparent; pellucid.
  • adjective in the Ptolemaic system of astronomy, two transparent spheres imagined to exist between the region of the fixed stars and the primum mobile (or outer circle of the heavens, which by its motion was supposed to carry round all those within it), in order to explain certain movements of the heavenly bodies.
  • adjective (Anat.) the capsular lenslike body in the eye, serving to focus the rays of light. It consists of rodlike cells derived from the external embryonic epithelium.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

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


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

[Middle English cristallin, from Old French, from Latin crystallinus, from Greek krustallinos, from krustallos, ice, crystal; see kreus- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

crystal +‎ -ine


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