nuclear fission

noun

physics
: a process in which the nucleus of a heavy atom is split apart

Examples of nuclear fission 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.
Oklo, whose name comes from the region of Gabon, Africa where self-sustaining nuclear fission reactions took place naturally about 1.7 billion years ago, went public in May. Benedict Cosgrove, Newsweek, 19 Dec. 2024 Publication of the initial discovery of chemists Glenn Seaborg, Arthur Wahl, Joseph Kennedy and Edwin McMillan was withdrawn after an isotope, Pu-239, was found to undergo nuclear fission to release energy that could fuel the bomb. The Arizona Republic, 14 Dec. 2024 That involves blocking the fuel rods in the reactor, which stops the nuclear fission reaction. Ramin Skibba, WIRED, 28 Oct. 2022 Venture capital investments in advanced nuclear fission bounced back this year, rivaling the peak investing year of 2022. Katie Fehrenbacher, Axios, 5 Nov. 2024 See all Example Sentences for nuclear fission 

Dictionary Entries Near nuclear fission

Cite this Entry

“Nuclear fission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nuclear%20fission. Accessed 24 Dec. 2024.

Medical Definition

nuclear fission

noun
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!