(ther-mo-nu-cle-ar) 5 syllables

Definition

adjective. designating or of a reaction in which isotopes of a light element; esp. hydrogen; fuse at temperatures of millions of degrees into heavier nuclei designating

Example Sentence

The rocket is thermonuclear powered .

Synonyms

nuclear; atomic; atom-powered; fissionable

Antonyms

conventional

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thermonuclear
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Rhymes

  • nuclear

  • mononuclear
  • thermonuclear