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English noun: silica

1. silica (substance) a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite


Synonymssilicon dioxide, silicon oxide


Broader (hypernym)oxide


Narrower (hyponym)chert, flint, silex


Substance meronymcristobalite, crystal, lechatelierite, quartz, quartz, quartz glass, tridymite, vitreous silica









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