/ Dictionary / Index P pulse repetition frequency: Meaning and Definition of Find definitions for: pulse' repeti"tion fre"quency Pronunciation: [key] — Telecommunications. Telecommunications. the number of pulses per second in a system of pulse transmission. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pulse rate pulse-time modulation Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language