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nuclear fission

[noo-klee-er fish-uhn] / ˈnu kli ər ˈfɪʃ ən /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As part of its energy surge, China has pushed rapid investment into the only technology that currently can decarbonize the planet at scale: nuclear fission and fusion.

From The Wall Street Journal • Nov. 10, 2025

Left untouched, nuclear fission erupts into a runaway chain reaction that can heat the core of a nuclear plant to thousands of degrees, liquifying the metal around it into radioactive lava.

From Los Angeles Times • Aug. 25, 2024

Sam Altman, who also chairs Oklo, a nuclear fission microreactor start-up that’s set to go public this year, is backing the power source to satisfy the world’s growing energy needs, including from A.I.

From New York Times • Mar. 21, 2024

Because the process of nuclear fission does not burn or oxidize anything, nearly all the fuel used in producing energy at nuclear plants becomes waste without reducing its mass.

From Salon • Mar. 4, 2024

It can only be found in environments where nuclear fission is occurring—in nuclear weapons and nuclear power plants.

From "Meltdown" by Deirdre Langeland