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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.

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

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

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

The vessel is the core of the reactor where fission takes place, and the only part of a nuclear plant that can’t be replaced.

From The Wall Street Journal • Oct. 9, 2025

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

From "Meltdown" by Deirdre Langeland




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