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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
The United States currently uses the civilian reactors of the Tennessee Valley Authority to make tritium for hydrogen bombs.
—Thomas Bass
author, Newsweek, 19 Dec. 2024
The 1950s arguably produced the most classic science fiction films, fed by post-World War II paranoia over the hydrogen bomb, rapid technological change, fear of Soviet expansion and communist infiltration of American society.
—Mike Barnes, The Hollywood Reporter, 17 Dec. 2024
In 1952, the United States vaporized an entire island in the Pacific’s Enewetak Atoll with a hydrogen bomb.
—Salama Udaipurwala, JSTOR Daily, 30 Oct. 2024
In 1952: The United States tested the first hydrogen bomb on the Eniwetok atoll in the Pacific Ocean, resulting in a blast equivalent to 10.4 megatons of TNT, hundreds of times more powerful than the atomic bomb dropped on Hiroshima.
—Lorenzino Estrada, The Arizona Republic, 2 Nov. 2024
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Word History
First Known Use
1947, in the meaning defined above
Dictionary Entries Near hydrogen bomb
Cite this Entry
“Hydrogen bomb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20bomb. Accessed 5 Jan. 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
More from Merriam-Webster on hydrogen bomb
Nglish: Translation of hydrogen bomb for Spanish Speakers
Britannica.com: Encyclopedia article about hydrogen bomb
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