astronautics
as·tro·nau·tics
noun pl but singular or pl in constr \ˌas-trə-ˈnȯ-tiks, -ˈnä-\Definition of ASTRONAUTICS
: the science of the construction and operation of vehicles for travel in space beyond the earth's atmosphere
— as·tro·nau·tic \-tik\ or as·tro·nau·ti·cal \-ti-kəl\ adjective
— as·tro·nau·ti·cal·ly \-ti-k(ə-)lē\ adverb
First Known Use of ASTRONAUTICS
1928
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