/ Dictionary / Index E Eozoic: Meaning and Definition of Find definitions for: E•o•zo•ic Pronunciation: (ē"u-zō'ik), [key] — adj. Geol. (formerly) noting or pertaining to the Precambrian Era, esp. the period including the beginnings of animal life. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. -eous EP Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language