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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

That sharp crystalline hit against the fudgy crumb makes the chocolate taste deeper.

From Salon • Mar. 5, 2026

Alongside his own survey of Mont Blanc published in a monumental chromolithograph is his modest diagram of its underlying crystalline structure, as if it were a faceted gem.

From The Wall Street Journal • Feb. 18, 2026

Once that confinement breaks down, the built-up tension is released and the metal rearranges into its usual crystalline form.

From Science Daily • Dec. 11, 2025

“So,” Sahil said after a moment of crystalline silence.

From "From Twinkle, with Love" by Sandhya Menon