Simple Definition of thermonuclear
: of or relating to the changes in the nucleus of atoms that happen at extremely high temperatures
Full 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 in a sentence
Hydrogen bombs are thermonuclear weapons.
Origin and Etymology of thermonuclear
International Scientific Vocabulary
First Known Use: 1938
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