Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun inorganic chemistry
Silicon dioxide ,silica .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- 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
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