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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.

Next, Nasa wants to build nuclear and solar power facilities on the Moon, including fission reactors.

From BBC • May 26, 2026

“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

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

Today, all of the world’s nuclear energy is generated from fission, the process of splitting the nucleus of an atom.

From Barron's • Dec. 18, 2025

As sources of electricity go, nuclear fission is incredibly efficient.

From "Meltdown" by Deirdre Langeland




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