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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.

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

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

Sure enough, when director Christopher Nolan asked him to emulate the sound of the world’s first thermonuclear device for “Oppenheimer,” King had his epic-scaled 2013 Chelyabinsk asteroid reference close at hand.

From Los Angeles Times • Feb. 13, 2024

Gopalaswamy says that direct-drive ICF is a promising approach for achieving thermonuclear ignition and net energy in laser fusion.

From Science Daily • Feb. 5, 2024

The program for Redwing included the first airborne drop of a thermonuclear device, which created an enormous fireball four miles in diameter when it detonated fifteen thousand feet over Bikini.

From "Big Science" by Michael Hiltzik