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fission

verb

  1. to split or break up into fission products
  2. split into smaller parts
L1413111 on Wikidata ↗

noun

  1. biological process
L296049 on Wikidata ↗

Wiktionary

Pronunciation: /ˈfɪʃən/ / /ˈfɪʒən/

noun

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

  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

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

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