/ Dictionary / Index E epoch-making: Meaning and Definition of Find definitions for: ep•och-mak•ing Pronunciation: (ep'uk-mā"king or, esp. Brit., ē'pok-), [key] — adj. opening a new era, as in human history, thought, or knowledge; epochal: an epoch-making discovery. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epoch-making (Thesaurus) epochal epode Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language