/ Dictionary / Index S sparking voltage: Meaning and Definition of Find definitions for: spark'ing volt"age Pronunciation: [key] — Elect. Elect. the minimum voltage required to produce a spark across a given spark gap. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sparking plug spark-killer 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