/ Dictionary / Index C conservation of baryon number: Meaning and Definition of Find definitions for: conserva'tion of bar'yon num"ber Pronunciation: [key] — Physics. Physics. the principle that the total baryon number remains constant in all processes involving the interaction of elementary particles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. conservation of angular momentum conservation of charge 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