/ Dictionary / Index E enhancer: Meaning and Definition of Find definitions for: en•hanc•er Pronunciation: (en-han'sur, -hän'-), [key] — n. a person or thing that enhances. a gene or gene fragment that activates other genes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: enhancer (Thesaurus) enhanced radiation weapon enharmonic Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language