rigor

[ rig-er ]
/ ˈrɪg ər /

noun

Also especially British, rig·our.

Origin of rigor

1350–1400; Middle English rigour < Latin rigor stiffness, equivalent to rig(ēre) to be stiff + -or -or1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rigor

British Dictionary definitions for rigor

rigor

/ (ˈraɪɡɔː, ˈrɪɡə) /

noun

med a sudden feeling of chilliness, often accompanied by shivering: it sometimes precedes a fever
(ˈrɪɡə) pathol rigidity of a muscle; muscular cramp
a state of rigidity assumed by some animals in reaction to sudden shock
the inertia assumed by some plants in conditions unfavourable to growth

Word Origin for rigor

see rigour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for rigor

rigor

[ rĭgər ]

n.

rigidity
Shivering or trembling, as caused by a chill.
A state of rigidity in living tissues or organs that prevents response to stimuli.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.