/ Dictionary / Index I IAEA: Meaning and Definition of Find definitions for: IAEA Pronunciation: [key] International Atomic Energy Agency. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: iaea (Thesaurus) IADB Iago Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language