/ Dictionary / Index F fused quartz: Meaning and Definition of Find definitions for: fused' quartz' Pronunciation: [key] glass made entirely from quartz: a form of silica glass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fuse fused sentence Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language