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 Anglais glossaire
fission ['fɪʃ(ə)n] abbr.
abrév., biol. f
milit. The process whereby the nucleus of a heavy element splits into generally two nuclei of lighter elements, with the release of substantial amounts of energy
milit., logist. The process whereby a heavy nucleus splits into other in general two lighter nuclei, with the release of a significant amount of energy. (FRA)