silicon oxide

Noun (1)

1. a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelieriteSynonyms: silicasilicon dioxideType of oxideKinds flint, silex, chertSubstance of cristobalite, quartz, quartz glass, tridymite +1 more