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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

The findings could also encourage further research combining singlet fission and metal complexes, with potential uses not only in solar energy but also in LEDs and emerging quantum technologies.

From Science Daily • Mar. 28, 2026

It generates four times as much energy as fission, according to the International Atomic Energy Agency.

From Barron's • Dec. 18, 2025

Then he got up and started pacing, thinking about what little he knew about fission and the possibility of building atomic bombs.

From "Bomb" by Steve Sheinkin




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