devitrify








verb (used with object), de·vit·ri·fied, de·vit·ri·fy·ing.

  1. Chemistry. to deprive, wholly or partly, of vitreous character or properties.

verb (used without object), de·vit·ri·fied, de·vit·ri·fy·ing.

  1. Petrology. (of a volcanic rock or particle) to undergo a change in texture from glassy to crystalline.

verb -fies, -fying or -fied

  1. to change from a vitreous state to a crystalline state
  2. to lose or cause to lose the properties of a glass and become brittle and opaque
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