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Synonyms

crystalline

American  
[kris-tl-in, -ahyn, -een] / ˈkrɪs tl ɪn, -ˌaɪn, -ˌin /

adjective

  1. of or like crystal; clear; transparent.

  2. formed by crystallization.

  3. composed of crystals.

  4. pertaining to crystals or their formation.


crystalline British  
/ ˈkrɪstəˌlaɪn, ˌkrɪstəˈlɪnɪtɪ /

adjective

  1. having the characteristics or structure of crystals

  2. consisting of or containing crystals

  3. made of or like crystal; transparent; clear

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • crystallinity noun
  • multicrystalline adjective
  • noncrystalline adjective
  • precrystalline adjective
  • pseudocrystalline adjective
  • subcrystalline adjective
  • uncrystalline adjective

Etymology

Origin of crystalline

1350–1400; Middle English cristal ( l ) yn ( e ) < Latin crystallinus < Greek krystállinos. See crystal, -ine 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

L.A.’s smog changed just about everything around us — even the crystalline light that the Chamber of Commerce bragged about, that enticed people to come here.

From Los Angeles Times • Mar. 26, 2026

But he learned to master this new machine that could achieve insane speeds and execute hairpin turns while taking crystalline video.

From The Wall Street Journal • Feb. 13, 2026

This level of control allows, in principle, the creation of three dimensional devices from nearly any crystalline material.

From Science Daily • Jan. 25, 2026

And there’s nutty: a good crystalline parm or Manchego that adds both salt and depth.

From Salon • Dec. 16, 2025

I gazed with wonder at thirty-foot-long icicles hanging from the cliffs like crystalline stalactites.

From "October Sky" by Homer Hickam