/ Dictionary / Index E ethine: Meaning and Definition of Find definitions for: eth•ine Pronunciation: (eth'īn, e-thīn'), [key] — n. Chem. acetylene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ethinamate ethionamide Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language