atomic bomb

noun

Definition of atomic bomb

1 : a bomb whose violent explosive power is due to the sudden release of energy resulting from the splitting of nuclei of a heavy chemical element (such as plutonium or uranium) by neutrons in a very rapid chain reaction

called also atom bomb

2 : a nuclear weapon (such as a hydrogen bomb)

Examples of atomic bomb in a Sentence

Recent Examples on the Web

For instance, the Atomic Energy Commission yanked the security clearance of J. Robert Oppenheimer, father of the atomic bomb, because of his suspected ties to communism. Rachel Becker, The Verge, "Cold War propaganda spread the myth that science isn’t political," 11 Dec. 2018 The Bulletin of the Atomic Scientists was founded in 1945 by researchers who worked on the atomic bomb. Kelsey Piper, Vox, "Outgoing California Gov. Jerry Brown has a new job: preventing nuclear war," 29 Oct. 2018 In the chaos that followed, the NKVD — Stalin’s intelligence agency and forerunner of the KGB — made a mistake that would doom all the Soviet agents who would infiltrate the Manhattan Project, the top-secret American effort to build an atomic bomb. Tim Folger, Discover Magazine, "Chance Encounters," 17 Aug. 2018 That's where the North has a plutonium reactor and a uranium enrichment facility that can produce fissile material for atomic bombs. Matthew Pennington, Fox News, "North Korea's offer of concessions comes with a catch for US," 20 Sep. 2018 There are parallels to the pursuit of the atomic bomb during the Second World War: the weapons helped bring an end to the conflict, but introduced new and terrifying dangers to the world with their invention. Andrew Liptak, The Verge, "From the author of The Three-Body Problem," 15 Sep. 2018 Shaw and co-creator Dusty Thomason previously worked together on Manh(a)ttan, a series set in the New Mexico military encampment of Los Alamos, detailing the birth of the atomic bomb in the 1940s. Jennifer Ouellette, Ars Technica, "The slow-burn psychological horror of Castle Rock makes for must-see TV," 4 Sep. 2018 The Navy, however, needed a sleek greyhound to deliver components of the first atomic bomb to the island of Tinian in the Marianas. Walter R. Borneman, WSJ, "‘Indianapolis’ Review: Supreme Sacrifice," 30 Aug. 2018 But the birth of the atomic bomb still looms in the tiny town of Los Alamos—and that will likely never change. Paul Ross, Popular Mechanics, "I Am Become Opera: An Atomic Show In the Shadow of Los Alamos," 27 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'atomic bomb.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of atomic bomb

1914, in the meaning defined at sense 1

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Last Updated

8 Jan 2019

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Time Traveler for atomic bomb

The first known use of atomic bomb was in 1914

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More Definitions for atomic bomb

atomic bomb

noun

English Language Learners Definition of atomic bomb

: a bomb that produces an extremely powerful explosion when atoms are split apart

atomic bomb

noun

Kids Definition of atomic bomb

: a bomb whose great power is due to the sudden release of the energy in the nuclei of atoms

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More from Merriam-Webster on atomic bomb

Rhyming Dictionary: Words that rhyme with atomic bomb

Spanish Central: Translation of atomic bomb

Nglish: Translation of atomic bomb for Spanish Speakers

Britannica.com: Encyclopedia article about atomic bomb

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