Meaning of the word fission in English

What does fission mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

fission

US /ˈfɪʃ.ən/
UK /ˈfɪʃ.ən/

Noun

1.

the action of dividing or splitting into two or more parts

Example:
Cell fission is a fundamental process in biology.
The political party experienced a fission into two smaller groups.
2.

the action of a heavy atomic nucleus splitting into two or more smaller nuclei, with the release of a large amount of energy

Example:
Nuclear fission is used to generate electricity in power plants.
The experiment involved inducing controlled nuclear fission.