fission
Etymology

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

Pronunciation
  • enPR: fĭsh'ən, fĭzh'ən, IPA: /ˈfɪʃən/, /ˈfɪʒən/
Noun

fission

  1. The process whereby one item splits to become two.
  2. (nuclear physics) Short for nuclear fission: The process of splitting the nucleus of an atom into smaller particles.
  3. (biology) The process by which a bacterium splits to form two daughter cells.
    Synonyms: fissiparism
Translations Translations Verb

fission (fissions, present participle fissioning; simple past and past participle fissioned)

  1. (transitive) To cause to undergo fission.
  2. (intransitive) To undergo fission.
Translations


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