as·​tro·​nau·​tics | \ ˌa-strə-ˈnȯ-tiks How to pronounce astronautics (audio) , -ˈnä- \

Definition of astronautics

: the science of the construction and operation of vehicles for travel in space beyond the earth's atmosphere

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Other Words from astronautics

astronautic \ ˌa-​strə-​ˈnȯ-​tik How to pronounce astronautics (audio) , -​ˈnä-​ \ or astronautical \ ˌa-​strə-​ˈnȯ-​ti-​kəl How to pronounce astronautics (audio) , -​ˈnä-​ \ adjective
astronautically \ ˌa-​strə-​ˈnȯ-​ti-​k(ə-​)lē How to pronounce astronautics (audio) , -​ˈnä-​ \ adverb

Examples of astronautics in a Sentence

Recent Examples on the Web Mohan went on to study mechanical and aerospace engineering at Cornell University, followed by a masters degree and doctorate in aeronautics and astronautics at the Massachusetts Institute of Technology. Harmeet Kaur, CNN, "The face of the Perseverance landing was an Indian American woman," 19 Feb. 2021 In fact, their pod cannot simply be made bigger to fit passengers, says team captain Philippe Kirschen, a master's student in aeronautics and astronautics. Larry Greenemeier, Scientific American, "First SpaceX Hyperloop Transit Pod Contender Unveiled," 14 May 2016 Buzz Aldrin, selected in the third group of NASA astronauts in 1963, was the first person to join the corps with a doctoral degree (in astronautics from the Massachusetts Institute of Technology). National Geographic, "How the 'right stuff' to be an astronaut has changed over the years," 7 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'astronautics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of astronautics

1928, in the meaning defined above

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Time Traveler for astronautics

Time Traveler

The first known use of astronautics was in 1928

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Statistics for astronautics

Last Updated

1 Mar 2021

Cite this Entry

“Astronautics.” Dictionary, Merriam-Webster, Accessed 4 Mar. 2021.

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More Definitions for astronautics


as·​tro·​nau·​tics | \ ˌa-strə-ˈnȯ-tiks How to pronounce astronautics (audio) \

Kids Definition of astronautics

: the science of the construction and operation of spacecraft

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More from Merriam-Webster on astronautics

Nglish: Translation of astronautics for Spanish Speakers

Britannica English: Translation of astronautics for Arabic Speakers Encyclopedia article about astronautics

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