/ Dictionary / Index S spark transmitter: Meaning and Definition of Find definitions for: spark' transmit"ter Pronunciation: [key] — Radio. Radio. a transmitting set that generates electromagnetic waves by the oscillatory discharge from a capacitor through an inductor and a spark gap. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spark spectrum sparky 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