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astronautics

American  
[as-truh-naw-tiks, -not-iks] / ˌæs trəˈnɔ tɪks, -ˈnɒt ɪks /

noun

(used with a singular verb)
  1. the science of or technology involved in travel beyond the earth's atmosphere, including interplanetary and interstellar flight.


astronautics British  
/ ˌæstrəˈnɔːtɪks /

noun

  1. (functioning as singular) the science and technology of space flight

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of astronautics

First recorded in 1925–30; see origin at astronautical, -ics

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"There's a lot riding on this," the astronautics expert, who is now at Stanford University, told AFP.

From Barron's • May 21, 2026

"We will be drawing on our expertise in electronics, fundamental science, astronautics, artificial intelligence and many others, to enrich the UK space industry and support the national space strategy."

From BBC • Mar. 10, 2026

“Twenty years ago, you would not have characterized the space business as fast moving,” said Daniel Hastings, professor of aeronautics and astronautics at MIT.

From Seattle Times • May 10, 2024

"Just like phyllo dough flakes apart, composite layers can peel apart because this interlaminar region is the Achilles' heel of composites," says Brian Wardle, professor of aeronautics and astronautics at MIT.

From Science Daily • Apr. 16, 2024

And let me tell you, no matter what they call it now—space probing, astronautics or what have you—it's still flying.

From What Need of Man? by Calin, Harold

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