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Noun: silicon dioxide
  1. A white or colourless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
    - silica, silicon oxide

Derived forms: silicon dioxides

Type of: oxide

Part of: cristobalite, crystal, lechatelierite, quartz, quartz glass, tridymite, vitreous silica

Encyclopedia: Silicon dioxide