astronautics: Meaning and Definition of

as•tro•nau•tics

Pronunciation: (as"tru-nô'tiks, -not'iks), [key]
— n. (used with a sing. v.)
  1. 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.
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