› the length of time needed for the radioactivity of a radioactive substance to be reduced by half
Thesaurus: sinônimos e palavras relacionadas
(Definição de "half-life" do Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
(Definição de "half-life" do Cambridge Academic Content Dictionary © Cambridge University Press)
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Palavra do Dia
reverence
a feeling of respect or admiration for someone or something