/ Dictionary / Index A acetylide: Meaning and Definition of Find definitions for: a•cet•y•lide Pronunciation: (u-set'l-īd"), [key] — n. Chem. any compound derived from acetylene by the replacement of one or both of its hydrogen atoms by a metal, as silver acetylide, AgCl. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acetylic acetylize Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language