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

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The disaster led to an extensive decontamination effort to clean up nuclear material dispersed when conventional explosives in the hydrogen bombs detonated after hitting the ground. Kim Tong-Hyung, Los Angeles Times, 13 Mar. 2026 Edward Teller, the father of the hydrogen bomb, also imagined a great many uses for atomic energy, including the violent reshaping of the Earth’s surface. Ross Andersen, The Atlantic, 11 Mar. 2026 The advent of the hydrogen bomb in 1953 saw the hands move 1 minute closer. Jenna Prestininzi, Freep.com, 28 Jan. 2026 Novas, in other words, are naturally occurring hydrogen bombs, releasing in mere moments the energy our star emits in roughly 100,000 years. Frank Landymore, Futurism, 21 Jan. 2026 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 20 Mar. 2026.

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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