Fission

Fission is a splitting of something into two parts.

Fission may refer to:

In physics, nuclear fission is a process where a large atomic nucleus (such as uranium) is split into two smaller particles.
In biology, fission (biology) is the subdivision of a cell or a multi-cellular body into one or more parts and the regeneration of each of the parts into a complete individual.
In anthropology, fission is the process whereby a nation-state divides and becomes multiple states

Other uses:

Fission (band), a Swedish melodic death metal band

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