/ Dictionary / Index E electron camera: Meaning and Definition of Find definitions for: elec'tron cam"era Pronunciation: [key] — Electronics. Electronics. an apparatus that converts an optical image into a corresponding electric current by electronic means without the intervention of mechanical scanning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. electron affinity electron diffraction 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