[ as-truh-naw-tiks, -not-iks ]

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.

Origin of astronautics

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

Words Nearby astronautics Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use astronautics in a sentence

  • Apparently the demand for specific formal education in the science of astronautics is increasing faster than it is being supplied.

    The Practical Values of Space Exploration | Committee on Science and Astronautics
  • As far back as I can remember in my childhood, I was always interested in astronautics.

    Man Made | Albert R. Teichner

British Dictionary definitions for astronautics


/ (ˌæstrəˈnɔːtɪks) /

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

Derived forms of astronautics

  • astronautic or astronautical, adjective
  • astronautically, adverb

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