[kris-tl-in, -ahyn, -een]

Origin of crystalline

1350–1400; Middle English cristal(l)yn(e) < Latin crystallinus < Greek krystállinos. See crystal, -ine1
Related formscrys·tal·lin·i·ty [kris-tl-in-i-tee] /ˌkrɪs tlˈɪn ɪ ti/, nounmul·ti·crys·tal·line, adjectivenon·crys·tal·line, adjectivepre·crys·tal·line, adjectivepseu·do·crys·tal·line, adjectivesub·crys·tal·line, adjectiveun·crys·tal·line, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for crystallinity


  1. having the characteristics or structure of crystals
  2. consisting of or containing crystals
  3. made of or like crystal; transparent; clear
Derived Formscrystallinity (ˌkrɪstəˈlɪnɪtɪ), noun
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

Word Origin and History for crystallinity



late 14c., from Old French cristalin "like crystal" (Modern French crystallin), from Latin crystallinus, from Greek krystallinos "of crystal," from krystallos (see crystal).

Online Etymology Dictionary, © 2010 Douglas Harper

crystallinity in Medicine


[krĭstə-lĭn, -līn′, -lēn′]
  1. Being, relating to, or composed of crystal or crystals.
  2. Resembling crystal, as in transparency or distinctness of structure or outline.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.