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Meaning of “fission” in the English Dictionary

(Definition of fission from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"fission" in American English

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fissionnoun [U]

 us   /ˈfɪʃ·ən, ˈfɪʒ-/
physics the dividing of the nucleus of an atom, producing energy
biology Fission is also the division of a living cell during reproduction in some very small organisms
(Definition of fission from the Cambridge Academic Content Dictionary © Cambridge University Press)

"fission" in Business English

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fissionnoun [U]

uk   us   /ˈfɪʃən/ ENVIRONMENT
a process in which the nucleus of an atom divides and releases a large amount of energy: atomic/nuclear fission Industrialized nations should increase their efforts in supporting energy efficiency, renewable energy, and nuclear fission.
(Definition of fission from the Cambridge Business English Dictionary © Cambridge University Press)
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