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silicon dioxide
5 dictionary results for: Silicon dioxide
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
silicon dioxide
–noun Chemistry.
silica.
American Heritage Dictionary - Cite This Source - Share This
silicon dioxide  
n.   Silica.

WordNet - Cite This Source - Share This
silicon dioxide

noun
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 [syn: silica

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