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thermonuclear

Pronunciation: /ˌθɜː.məʊˈnjuːk.liː.ə/

The English word “thermonuclear” has 3 meanings listed here.

adjective

  1. Of, or relating to the fusion of atomic nuclei at high temperatures.
  2. Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from those based on fission.

noun

  1. A thermonuclear weapon.

Etymology

From thermo- + nuclear.

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