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English definition of “mortality”

mortality

noun [U] uk   /mɔːˈtæl.ə.ti/ us    /mɔːrˈtæl.ə.t̬i/ formal
the way that people do not live for ever: Her death made him more aware of his own mortality.
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C2 the number of deaths within a particular society and within a particular period of time: the mortality rate Infant mortality is much higher in the poorest areas of the city.
(Definition of mortality from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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