Devitrified refers to a state where glass has lost its transparent structure due to natural processes or high temperatures. Synonyms for this word include calcified, crystallized, vitrified, petrified, and solidified. Calcified implies the presence of calcium deposits, while petrified refers to the hardening of organic material. Vitrified and crystallized imply a state of transformation into glass or crystals respectively, while solidified suggests a change in texture from liquid to solid. All these synonyms essentially describe a transformation from one physical state to another and can be used interchangeably with devitrified depending on the context.