/ Dictionary / Index A aerodynamics: Meaning and Definition of Find definitions for: aer•o•dy•nam•ics Pronunciation: (âr"ō-dī-nam'iks), [key] — n. (used with a sing. v.) the branch of mechanics that deals with the motion of air and other gases and with the effects of such motion on bodies in the medium. Cf. aerostatics (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aerodynamics (Thesaurus) aerodynamicist aerodynamic trajectory 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