Rigor

[американский вариант английского языка]; смотри значение rigour

Большой англо-русский словарь

Rigor

1) строгость, твёрдость; ригоризм 2) ригористичность 3) оцепенение; неподвижность 4) озноб, дрожь

Англо-русский научно-технический словарь

Rigor

noun Etymology: Middle English rigour, from Anglo-French, from Latin rigor, literally, stiffness, from rigēre to be stiff 1. a. (1) harsh inflexibility in opinion, temper, or judgment; severity (2) the quality of being unyielding or inflexible; strictness (3) severity of life; austerity b. an act or instance of strictness, severity, or cruelty 2. a tremor caused by a chill 3. a condition that makes life difficult, challenging, or uncomfortable; especially extremity of cold 4. strict precision; exactness Example: logical rigor 5. a. obsolete rigidity, stiffness b. rigidness or torpor of organs or tissue that prevents response to stimuli c. rigor mortis

Merriam-Webster's Collegiate Dictionary