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Definition of "crystal" []

  • A homogenous solid formed by a repeating, three-dimensional pattern of atoms, ions, or molecules and having fixed distances between constituent parts. (noun)
  • The unit cell of such a pattern. (noun)
  • A mineral, especially a transparent form of quartz, having a crystalline structure, often characterized by external planar faces. (noun)
  • A natural or synthetic crystalline material having piezoelectric or semiconducting properties. (noun)
  • An electronic device, such as an oscillator or detector, using such a material. (noun)
  • A piece of solid substance, such as quartz, with a regular shape in which plane faces intersect at definite angles, due to the regular internal structure of its atoms, ions, or molecules (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • A single grain of a crystalline substance (noun)
  • Anything resembling a crystal, such as a piece of cut glass (noun)
  • A highly transparent and brilliant type of glass, often used in cut-glass tableware, ornaments, etc (noun)
  • (as modifier) (noun)
  • Something made of or resembling crystal (noun)
  • Crystal glass articles collectively (noun)
  • A crystalline element used in certain electronic devices as a detector, oscillator, transducer, etc (noun)
  • A transparent cover for the face of a watch, usually of glass or plastic (noun)
  • Of or relating to a crystal or the regular atomic arrangement of crystals (noun)
  • Resembling crystal; transparent (adjective)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "crystal" in a sentence
  • "Q: Am I the only passenger whose primary reference for the term crystal ship is the song about heroin by the Doors?"
  • "In short the crystal is all about the exterior form, not about the displays or the experience inside the building."
  • "Another commercial has a dumb office worker with a glass snow globe, which he calls his crystal ball."