thermonuclear
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ther·mo·nu·cle·ar

adjective \ˌthər-mō-ˈnü-klē-ər, -ˈnyü-, ÷-ˈn(y)ü-kyə-lər\

Definition of THERMONUCLEAR

1
: of, relating to, or employing transformations in the nuclei of atoms of low atomic weight (as hydrogen) that require a very high temperature for their inception (as in the hydrogen bomb or in the sun) <thermonuclear reaction> <thermonuclear weapon>
2
: of, utilizing, or relating to a thermonuclear bomb <thermonuclear war> <a thermonuclear attack>

Examples of THERMONUCLEAR

  1. Hydrogen bombs are thermonuclear weapons.

Origin of THERMONUCLEAR

International Scientific Vocabulary
First Known Use: 1938

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