English edit

Etymology edit

astro- +‎ nuclear

Adjective edit

astronuclear (not comparable)

  1. Of or pertaining to the applications of nuclear physics to space, as for example in nuclear space propulsion.
    • 2007 January 17, Dennis Hevesi, “John W. Simpson, 92, Dies; Pioneer of Nuclear Power”, in New York Times[1]:
      In the late 1950s, he organized the company’s astronuclear laboratory, which won the federal government’s first contract to develop a nuclear reactor for rocket propulsion.