HyperDic: tridymite

English > 1 sense of the word tridymite:
NOUNsubstancetridymitea mineral form of silica
English > tridymite: 1 sense > noun 1, substance
MeaningA mineral form of silica.
BroadermineralSolid homogeneous inorganic substances occurring in nature having a definite chemical composition
Substancessilica, silicon oxide, silicon dioxideA white or colorless vitreous insoluble solid (SiO2)

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