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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.

"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

The fusion process creates energy by joining atoms together, while the fission process creates energy when atoms are split apart.

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




Vocabulary lists containing fission