/ Dictionary / Index E emissive: Meaning and Definition of Find definitions for: e•mis•sive Pronunciation: (i-mis'iv), [key] — adj. serving to emit. pertaining to emission. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. emission spectrum emissivity Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language