/ Dictionary / Index P pneumotropic: Meaning and Definition of Find definitions for: pneu•mo•trop•ic Pronunciation: (n"mu-trop'ik, -trō'pik, ny"-), [key] — adj. Pathol. directed toward or having an affinity for lung tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pneumothorax pnld Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language