hydrogen bomb

noun

: a bomb whose violent explosive power is due to the sudden release of atomic energy resulting from the fusion of light nuclei (as of hydrogen atoms) at very high temperature and pressure to form helium nuclei

Examples of hydrogen bomb in a Sentence

Recent Examples on the Web
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In 1968, an American B-52G Stratofortress bomber, carrying four hydrogen bombs, crashed onto the sea ice near Thule after a crew member started a fire by stuffing seat cushions in front of a heating vent. Louise Bokkenheuser, The New Yorker, 11 Mar. 2025 North Korea likely has the ability to produce a small number of hydrogen bombs. Siegfried S. Hecker, Foreign Affairs, 4 Dec. 2017 Progressive presidents have hardly gotten a pass: in 2017, during the first four months of Moon Jae-in’s presidency, North Korea conducted its sixth nuclear weapons test (of a hydrogen bomb) and two intercontinental ballistic missile tests. Sue Mi Terry, Foreign Affairs, 24 Mar. 2022 The five official nuclear powers of the United States, Britain, France, Russian, and China have been joined by India, Pakistan, Israel, and North Korea, though only Israel is thought likely to have hydrogen bombs in its arsenal. David Szondy, New Atlas, 6 Feb. 2025 See All Example Sentences for hydrogen bomb

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of hydrogen bomb was in 1947

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Cite this Entry

“Hydrogen bomb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20bomb. Accessed 28 Mar. 2025.

Kids Definition

hydrogen bomb

noun
: a bomb whose violent explosive power is due to the sudden release of atomic energy when hydrogen nuclei unite

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