/ Dictionary / Index E eicosapentaenoic acid: Meaning and Definition of Find definitions for: ei'co•sa•pen•ta•e•no'ic ac'id Pronunciation: (ī'kō-su-pen"tu-i-nō'ik, ī"kō-), [key] — Biochem. Biochem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Eichmann eider 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