/ Dictionary / Index E electroplaque: Meaning and Definition of Find definitions for: e•lec•tro•plaque Pronunciation: (i-lek'tru-plak"), [key] — n. (in certain fishes) one of a number of plates forming an electric organ, consisting of modified muscle tissue having an electric charge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. electrophysiology electroplate 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