/ Dictionary / Index P pair production: Meaning and Definition of Find definitions for: pair' produc"tion Pronunciation: [key] the simultaneous creation of a particle and its antiparticle by a nucleus or particle in an excited state, as when a photon is absorbed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pair of compasses pair royal Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language