/ Dictionary / Index C conservation of charge: Meaning and Definition of Find definitions for: conserva'tion of charge' Pronunciation: [key] — Physics. Physics. the principle that the total electric charge of a system is constant. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. conservation of baryon number conservation of energy 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