/ Dictionary / Index P pneumatics: Meaning and Definition of Find definitions for: pneu•mat•ics Pronunciation: (noo-mat'iks, nyoo-), [key] — n. (used with a sing. v.) the branch of physics that deals with the mechanical properties of air and other gases. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pneumatics (Thesaurus) pneumatic pile pneumatic trough Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language