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nuclear fission

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


Example Sentences

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Inside a reactor, uranium atoms undergo nuclear fission, a process in which their nuclei split apart and release energy along with additional particles called neutrons.

From Science Daily ● Oct. 16, 2026

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

The roots of the meeting had been planted more than two years earlier by the discovery of nuclear fission.

From "Big Science" by Michael Hiltzik


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