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Definitions

thermonuclear

[thur-moh-noo-klee-er, -nyoo-, -kyuh-ler] / ˌθɜr moʊˈnu kli ər, -ˈnyu-, -kyə lər /
ADJECTIVE
atomic
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This setup, the report said, would allow launching sites to be “relatively invulnerable” to enemy warheads, requiring a “massive blanket Soviet thermonuclear attack” to destroy Iceworm launchers.

From Los Angeles Times • Feb. 6, 2026

Stalin’s behavior, and an unfortunate leak from a highly placed senator, drove Truman to authorize work on “the Super,” a thermonuclear bomb hundreds of times more powerful than the one that leveled Hiroshima.

From The Wall Street Journal • Jan. 16, 2026

The F-35A Lightning II jets stationed at the base have successfully been flight tested to carry the short-range B61-12 thermonuclear bomb, a tactical weapon designed for the battlefield.

From BBC • Jul. 23, 2025

During his Nobel Peace Prize speech, Martin Luther King Jr. declared: “I refuse to accept the cynical notion that nation after nation must spiral down a militaristic stairway into the hell of thermonuclear destruction.”

From Salon • Oct. 6, 2024

The device was not a hydrogen bomb, exactly, but it was “the first thermonuclear test explosion on earth,” in the words of one witness, the young Berkeley physicist Herbert York.

From "Big Science" by Michael Hiltzik