Pronunciation: (âr"ō-thûr"mō-dī-nam'iks), [key]
—n. (used with a sing. v.)
aerodynamics dealing with conditions where there are significant heat exchanges in gases or significant thermal effects between gas and solid surfaces, as in very high-speed, generally supersonic flight.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.