Etymology

fission

F4I1S1S1I1O1N1

Today it means: The process whereby one item splits to become two. Full definition →

Latin fissiōnem
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The story

  1. Latin · borrowed fromfissiōnem
  2. English todayfission

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

Etymology from Wiktionary, CC BY-SA 4.0.