/ Dictionary / Index P pressure altitude: Meaning and Definition of Find definitions for: pres'sure al"titude Pronunciation: [key] — Meteorol. Meteorol. the altitude for a given pressure in a standard atmosphere, such as that registered by a pressure altimeter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pressure altimeter pressure cabin Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language