/ Dictionary / Index S spark chamber: Meaning and Definition of Find definitions for: spark' cham"ber Pronunciation: [key] — Physics. Physics. a device for detecting elementary particles, consisting of a series of charged plates separated by a gas so that the passage of a charged particle causes sparking between adjacent plates. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spark arrester spark coil Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language