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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

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

In the longer term, Google is looking toward nuclear fusion as opposed to fission: While the latter is used currently in power plants, the former can provide much more energy in a potentially safer process.

From The Wall Street Journal • Oct. 27, 2025

It is produced by nuclear fission for use in medical gauges and devices, but can also be a byproduct of nuclear reactors and weapons testing, the agency said.

From Los Angeles Times • Aug. 19, 2025

The Hanford plant was based on something else scientists had learned about fission.

From "Bomb" by Steve Sheinkin