silicon_oxide
1. [ noun ] (chemistry,geology) a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechartelierite
Synonyms: silicon_dioxide silica
Related terms: oxide flint silex chert tridymite lechartelierite quartz cristobalite
Similar spelling:   silicon_dioxide
  silicon_carbide
  Silicon_Valley
  silicon_bronze
  silicon_chip
  silicone_resin
  silicone_rubber