/ Dictionary / Index P pneumatotherapy: Meaning and Definition of Find definitions for: pneu•mat•o•ther•a•py Pronunciation: (noo-mat"ō-ther'u-pē, nyoo-, n'mu-tō-, ny'-), [key] — n. the use of compressed or rarefied air in treating disease. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pneumatophore pneumectomy Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language