rigor mortis

(rig′ər môr′tis; occas. rī′gôr)

the progressive stiffening of the muscles that occurs several hours after death as a result of the coagulation of the muscle protein

Origin: ModL, stiffness of death

See rigor mortis in American Heritage Dictionary 4

noun

Muscular stiffening following death.

Origin:

Origin: Latin

Origin: : rigor, stiffness

Origin: + mortis

Origin: , genitive of mors, death

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