Definition of pro-nuke in US English:

pro-nuke

adjective

informal
  • Pro-nuclear.

noun

informal
  • A person who advocates the use of nuclear weapons or power.

Origin

1970s; earliest use found in Lincoln (Nebraska) Sunday Journal & Star. From pro- + nuke.

Pronunciation

pro-nuke

/(ˌ)prəʊˈnjuːk/