Last Updated:2025/11/20
The process whereby one item splits to become two. / (physics) Short for nuclear fission: The process of splitting the nucleus of an atom into smaller particles.
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fission
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Source Word
fission
IPA(Pronunciation)
Noun
countable
uncountable
abbreviation
alt-of
Japanese Meaning
物体が分裂して二つになる過程 / 原子核分裂:原子核が小さな粒子に分解される物理現象
( plural )