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English definition of “rigor mortis”

rigor mortis

noun [U] uk   /ˌrɪɡ.əˈmɔː.tɪs/ us    /-ɚˈmɔːr.t̬ɪs/ specialized
the stiffness of the joints (= places where two bones are connected) and muscles of a dead body: Rigor mortis usually sets in between two and four hours after death.
(Definition of rigor mortis from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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