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fission

Pronunciation: /ˈfɪʃən/

The English word “fission” has 5 meanings listed here.

noun

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

verb

  1. To cause to undergo fission.
  2. To undergo fission.

Etymology

Borrowed from Latin fissiōnem, accusative singular of fissiō (“the act of breaking up”), from findō (“split, divide”).

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.