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. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: rugose Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language