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
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silica::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | silicon dioxide, silicon oxide |
| Type of | oxide |
| Has types | flint, silex, chert |
| Derivation | siliceous, silicious |
