/ Dictionary / Index P pulmonary circulation: Meaning and Definition of Find definitions for: pul'monary circula'tion Pronunciation: [key] — Physiol. Physiol. the circulation of blood from the heart to the lungs for oxygenation and back to the heart. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pulmonary artery pulmonary tree Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language