资料来源 : pyDict

除去玻璃光泽,使不透明

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Devitrification \De*vit`ri*fi*ca"tion\, n.
   The act or process of devitrifying, or the state of being
   devitrified. Specifically, the conversion of molten glassy
   matter into a stony mass by slow cooling, the result being
   the formation of crystallites, microbites, etc., in the
   glassy base, which are then called devitrification products.