'nuclear explosion' definitions:

Definition of 'nuclear explosion'

From: WordNet
noun
The explosion of an atomic bomb [syn: nuclear explosion, atomic explosion]

Definition of 'nuclear explosion'

From: GCIDE
  • nuclear explosion \nuclear explosion\ n. The explosion of an atomic bomb or atomic device; -- sometimes also used of fusion-powered explosions.
  • Syn: atomic explosion. [WordNet 1.5]