silicon oxide
Noun
Meaning
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
Source: WordNetSynonyms
silica
silicon dioxide
quartz
flinty
cherty
quartz glass
silica glass
amorphous silica
glassy silica
crystalline silica
silicium dioxide
colloidal silicon
layer of silicon dioxide
silica layer
silica sand
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