Main definitions of rigor in English

: rigor1rigor2

rigor1

Pronunciation /ˈrɪɡɔː/ /ˈrʌɪɡɔː/ /ˈrʌɪɡə/

noun

  • 1Medicine
    A sudden feeling of cold with shivering accompanied by a rise in temperature, often with copious sweating, especially at the onset or height of a fever.

    1. 1.1
      short for rigor mortis

Origin

Late Middle English from Latin, literally ‘stiffness’, from rigere ‘be stiff’.

Pronunciation

rigor

/ˈrɪɡɔː/ /ˈrʌɪɡɔː/ /ˈrʌɪɡə/

Main definitions of rigor in English

: rigor1rigor2

rigor2

noun

US spelling of rigour