/ Dictionary / Index A aerospace: Meaning and Definition of Find definitions for: aer•o•space Pronunciation: (âr'ō-spās"), [key] — n. the atmosphere and the space beyond considered as a whole. the industry concerned with the design and manufacture of aircraft, rockets, missiles, spacecraft, etc., that operate in aerospace. —adj. of or pertaining to aerospace or the aerospace industry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aerospace (Thesaurus) aerosolize aerospace engineering Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language