fissile Meaning in the Cambridge English Dictionary
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Meaning of “fissile” in the English Dictionary

"fissile" in British English

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uk   /ˈfɪs.aɪl/  us   /-əl/
specialized geology (of ​rock) ​able to be ​dividedeasily into ​pieces: Because of ​itslayeredstructure, ​mica is fissile. specialized physics (of ​atoms) ​able to ​producenuclearfission: An ​amount of fissile ​material was ​missing as a ​result of the ​accident.
(Definition of fissile from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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