Letter R

Rigor

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A word with two different but related meanings in medicine:<BR><B>1.</B> A chill, usually with shivering, as at the onset of high fever and chills.<BR><BR><B>2.</B> Rigidity, as in rigor mortis, the rigidity of a body after death.<BR><BR>The alternate spelling rigour is chiefly British.

From the French, from the Latin rigor, meaning stiffness, from rigere, to be stiff

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