/ Thesaurus / V Synonyms of vitreous silica Find synonyms for: Noun1. quartz glass, quartz, vitreous silica, lechatelierite, crystal, natural glassusage: colorless glass made of almost pure silicaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loquacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language