thermonuclear

adjective/ˌθɜrmoʊˈnjuːkliər/

Frequency rank: #17,646 most common English word

Meaning

relating to nuclear reactions that occur at extremely high temperatures, especially in weapons like hydrogen bombs.

Illustration for the English word “thermonuclear”

Example sentence

Scientists warned that thermonuclear war would cause catastrophic damage to the entire planet.

Synonyms & related words

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