tridymite

[ trid-uh-mahyt ]
/ ˈtrɪd əˌmaɪt /
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noun Mineralogy.

a polymorph of quartz occurring in the form of small crystals, commonly twinned, in siliceous volcanic rocks.

Nearby words

  1. tridentine,
  2. tridentum,
  3. tridermic,
  4. tridimensional,
  5. triduum,
  6. triecious,
  7. trieciously,
  8. tried,
  9. tried and true,
  10. tried-and-true

Origin of tridymite

1865–70; < German Tridymit, equivalent to tridym- (Greek trídym(os) triple, equivalent to tri- tri- + (dí)dymos didymous) + -it -ite1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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