HyperDic: silicon_dioxide

English > 1 sense of the expression silicon dioxide:
NOUNsubstancesilicon dioxide, silica, silicon oxidea white or colorless vitreous insoluble solid (SiO2)
English > silicon dioxide: 1 sense > noun 1, substance
MeaningA white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite.
Synonymssilica, silicon oxide
NarrowerchertVariety of silica containing microcrystalline quartz
flintA hard kind of stone
silexA pure form of finely ground silica
BroaderoxideAny compound of oxygen with another element or a radical
Substance ofcristobaliteA white mineral consisting of silica
quartzA hard glossy mineral consisting of silicon dioxide in crystal form
quartz glass, quartz, vitreous silica, lechatelierite, crystalcolorless glass made of almost pure silica
tridymiteA mineral form of silica
Spanishdióxido de silicio, óxido de silicio, sílice
Catalandiòxid de silici, sílice

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