Glossary Term

Silicon Dioxide

Extraction MethodologyEN

Definition

A natural compound of silicon and oxygen found mostly in sand, Silica has three main crystalline varieties: quartz, tridymite, and cristobalite. Fine particulate silica dust from quartz rock causes over a long-term progressive lung injury, silicosis. (NCI04)

Extended Notes

Source: National Cancer Institute, NCI Thesaurus 26.09d, C29853. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.

Also Known As

Cab-O-Sil M-5PColloidal Silicon DioxideLight Anhydrous Silicic AcidQuso F-22SilicaSilicon Dioxide

References

NCI Thesaurus 26.09d — Silicon Dioxide (C29853)
Source: National Cancer Institute, NCI Thesaurus 26.09d, C29853. NCI definition, reproduced without modification under CC BY 4.0.