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.
Some married for love, but many were driven by fear of another atomic bomb or a bleak future in a shattered country. Kathryn Gregory, The Courier-Journal, 6 Nov. 2024 As Sam Altman, CEO of OpenAI, and Charles Oppenheimer, grandson of J. Robert Oppenheimer, discussed the similarities and differences between the current AI moment and the events that led to the creation of the atomic bomb in 1945, the room stood still. Luis E. Romero, Forbes, 31 Oct. 2024 The process to build and test an atomic bomb may take years, leaving Iran vulnerable to Israeli attacks on its nuclear facilities. Mostafa Salem, CNN, 29 Oct. 2024 Storms like Milton radiate the energy of dozens of atomic bombs every hour. Marina Koren, The Atlantic, 12 Oct. 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

Dictionary Entries Near atomic bomb

Cite this Entry

“Atomic bomb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atomic%20bomb. Accessed 22 Nov. 2024.

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

More from Merriam-Webster on atomic bomb

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!