Breadcrumb Home > Dictionary > Index A astronautics: Meaning and Definition of Find definitions for: as•tro•nau•tics Pronunciation: (as"tru-nô'tiks, -not'iks), [key] — n. (used with a sing. v.) the science of or technology involved in travel beyond the earth's atmosphere, including interplanetary and interstellar flight. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: astronautics (Thesaurus) astronautical engineering astronavigation TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: rapacious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language