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English definition of “plutonium”


noun [U] uk   /pluːˈtəʊ.ni.əm/ us    /-ˈtoʊ-/ (symbol Pu)
a chemical element that is a metal used in the production of nuclear power, and in nuclear weaponsChemical elements
(Definition of plutonium from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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