Meaning of devitrify

de•vit•ri•fy

Pronunciation: (dē-vi'tru-fī"), [key]
— v., -fied, -fy•ing.
—v.t.
  1. to deprive, wholly or partly, of vitreous character or properties.
—v.i.
  1. (of a volcanic rock or particle) to undergo a change in texture from glassy to crystalline.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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