/ Dictionary / Index E Edison effect: Meaning and Definition of Find definitions for: Ed'ison effect" Pronunciation: [key] — Physics. Physics. the phenomenon of the flow of electric current when an electrode sealed inside the bulb of an incandescent lamp is connected to the positive terminal of the lamp. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Edison edit 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