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Valid in Scrabble US · 9 points
3 synonyms in 1 meaning · 1 playable in Scrabble US
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
Also: silicon oxide, silicon dioxide.
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Dictionary: official Scrabble dictionary (US), UK Scrabble Dictionary, Words with Friends ENABLE