/ Dictionary / Index I I.E.E.E.: Meaning and Definition of Find definitions for: I.E.E.E. Pronunciation: [key] Institute of Electrical and Electronics Engineers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. IE -iensis Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language