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.
In such a scenario, nuclear fission offers a carbon-free source of electricity, and companies are expected to make a beeline for this ‘cleaner’ power in the future. Ameya Paleja, Interesting Engineering, 7 May 2026 Fusion machines do not rely on the same process as traditional nuclear fission reactors and have different fuel cycles, waste streams, and safety characteristics, officials said. Stephen Underwood, Hartford Courant, 3 May 2026 First, it is generated at a power plant using coal, natural gas, nuclear fission, or renewables. Big Think, 22 Apr. 2026 There's also the issue that nuclear fission is a highly toxic process. Keith Cooper, Space.com, 27 Mar. 2026 See All Example Sentences for nuclear fission

Browse Nearby Words

Cite this Entry

“Nuclear fission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nuclear%20fission. Accessed 11 May. 2026.

Medical Definition

nuclear fission

noun
Love words? Need even more definitions?

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

More from Merriam-Webster