/ Dictionary / Index S space charge: Meaning and Definition of Find definitions for: space' charge" Pronunciation: [key] — Elect. Elect. a distribution of an excess of electrons or ions over a three-dimensional region, in contrast to the distribution of an electric charge over the surface of a conductor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. space carrier spacecraft Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language