Definition of astroengineering in US English:

astroengineering

noun

  • 1(Chiefly Science Fiction) large-scale structural engineering in space, especially such as involves the modification of the physical structure or configuration of a planet, a star, or an entire solar system.

  • 2The branch of engineering that deals with the design, construction, and operation of technology for use in space.

Origin

1970s; earliest use found in Nature: a weekly journal of science.

Pronunciation

astroengineering

/ˌastrəʊˌɛn(d)ʒɪˈnɪərɪŋ/