Word.ws English Dictionary

Plural of fission

regular plural

The plural of fission is fissions.

Forms of fission

Singularfission /ˈfɪʃən/
Pluralfissions
Countablecountable and uncountable

Meaning of fission

  1. noun The process whereby one item splits to become two.
  2. noun Nuclear fission: The process of splitting the nucleus of an atom into smaller particles.
  3. noun The process by which a bacterium splits to form two daughter cells.

Full definition of fission

Questions about the plural of fission

What is the plural of fission?
The plural of fission is fissions.
Is fission countable?
Fission is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: fission (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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