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Definitions

fission

[fish-uhn] / 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.

“There’s really strong bipartisan support for regulation on fusion power plants that does not mirror what’s done on fission power plants,” Beyer said.

From MarketWatch • May 18, 2026

Existing U.S. nuclear plants, which provide an estimated 18% of the country’s electricity, rely on fission, which splits atoms.

From MarketWatch • May 18, 2026

"We therefore needed an energy acceptor that selectively captures the multiplied triplet excitons after fission."

From Science Daily • Mar. 28, 2026

Today, all nuclear plants are powered by fission, the process of splitting the atom.

From Barron's • Jan. 23, 2026

Physicists at the Radiation Faboratory and elsewhere picked away at the secrets of uranium fission all that year, trying to answer Oppenheimer’s questions as well as others more fundamental.

From "Big Science" by Michael Hiltzik




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