/ Dictionary / Index P pulse pressure: Meaning and Definition of Find definitions for: pulse' pres"sure Pronunciation: [key] the pressure of the pulse; the difference between the systolic and diastolic pressures. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pulsejet engine pulse rate 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