atomic bomb

noun

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Iranian officials have increasingly suggested Tehran could pursue an atomic bomb. Stephanie Liechtenstein The Associated Press, arkansasonline.com, 27 Feb. 2025 While at shrinking Lake Mead a few gangster cadavers showed up in the mud, the Salton Sea contains crashed planes and practice bombs, the targets simulations during the 1940s for the real atomic bombs dropped on Japan. Dennis Hinkamp, The Denver Post, 5 Feb. 2025 Back then, Americans were accustomed to counting down rocket launches and atomic bomb blast tests. Olivia B. Waxman, TIME, 31 Dec. 2024 Jennifer Conklin is the co-owner of South Rock Road LLC, the company that now owns the atomic bomb shelter. Jack Randall, USA TODAY, 15 Dec. 2024 See All Example Sentences for atomic bomb

Word History

First Known Use

1914, in the meaning defined at sense 1

Time Traveler
The first known use of atomic bomb was in 1914

Cite this Entry

“Atomic bomb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atomic%20bomb. Accessed 3 Mar. 2025.

Kids Definition

atomic bomb

noun
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 (as plutonium or uranium) by neutrons

called also atom bomb

2

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