/ Dictionary / Index A alkyne: Meaning and Definition of Find definitions for: al•kyne Pronunciation: (al'kīn), [key] — n. Chem. any member of the alkyne series. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alkyne (Thesaurus) alkylic alkyne series Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language