rigor

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rigor

[rig´or, ri´gor]

1. a chill; rigidity.

2. strict discipline or scrupulous adherence to a given set of standards.

rigor mor´tis the stiffening of a dead body accompanying depletion of adenosine triphosphate in the muscle fibers.

ri·gid·i·ty

(ri-jid'i-tē),

1. Stiffness or inflexibility.
See also: nuchal rigidity. Synonym(s): rigor (1)

2. In psychiatry and clinical psychology, an aspect of personality characterized by a person's resistance to change.
See also: nuchal rigidity.

3. In neurology, one type of increase in muscle tone at rest; characterized by increased resistance to passive stretch, independent of velocity and symmetric about joints; increases with activation of corresponding muscles in the contralateral limb. Two basic types are cogwheel rigidity and lead-pipe rigidity.
See also: nuchal rigidity.

[L. rigidus, rigid, inflexible]

Farlex Partner Medical Dictionary © Farlex 2012

rigor

(rĭg′ər)

a. Strictness or severity, as in action or judgment: "The desert fostered a closed world of faith and rigor and harsh judgment: almost every decision here could have lethal consequences" (Jeffrey Tayler).

b. A harsh or trying circumstance; a hardship or difficulty: the rigors of working in a coal mine.

c. Archaic A harsh or severe act.

a. Strictness in adhering to standards or a method; exactitude: "To study the brain with scientific rigor, behaviorists logically restricted their experiments to ones in which the brain was the source of measurable effects" (Robert Pollack).

b. A standard or exacting requirement, as of a field of study: the intellectual rigors of advanced mathematics.

3. Medicine Shivering or trembling, as caused by a chill.

4. Physiology A state of rigidity in living tissues or organs that prevents response to stimuli.

5. Obsolete Stiffness or rigidity.

Stiffness of a cadaver. The following are crude approximations of the time of death, based on temperature and presence/absence of rigor
warm and flaccid < 3 hours
warm and stiff 3-8 hours
cold and stiff 8-36 hours
cold and flaccid > 36 hours

chill

(chil)

1. A sensation of cold.

2. A feeling of cold with shivering and pallor, accompanied by an elevation of temperature in the interior of the body; usually a prodromal symptom of an infectious disease due to the presence in the blood of foreign protein or toxins.
Synonym(s): rigor (2) .

[A.S. cele, cold]

ri·gid·i·ty

(ri-jid'i-tē)

1. Stiffness or inflexibility.
Synonym(s): rigor (1) .

2. psychiatry, clinical psychology An aspect of personality characterized by a person's resistance to change.

3. neurology One type of increase in muscle tone at rest; characterized by increased resistance to passive stretch, independent of velocity and symmetric about joints; increases with activation of corresponding muscles in the contralateral limb. Two basic types are cogwheel rigidity and leadpipe rigidity.
See also: nuchal rigidity

[L. rigidus, rigid, inflexible]

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

rigor

A violent attack of shivering causing a rapid rise in body temperature.

Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

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On hospital day 2, he began to have severe rigors, along with persistent fever.

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They're eternally glamoured up for the going rigors of going bare.

Paul Outerbridge, Jr

Often, after dancers wind up a stint with a company such as Taylor's, which tours a great deal, they cite the rigors of life on the road as one of their reasons for stopping, and they express a desire simply to stay put.

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Written by Gebhardt's nephew, An Ordinary Soldier follows his service from his difficult childhood and the rigors of boot camp into the true hell of combat.

An Ordinary Soldier

The reactive resin solution crosslinks and cures on the mold surface, and is said to offer a durable release coating that withstands the abrasion of highly filled resins and the rigors of solid surface processing.

Semi-permanent release

The reactive resin solution crosslinks and cures on the mold surface, offering a durable release coating that withstands the abrasion of highly filled resins and the rigors of solid surface processing, according to the manufacturer.

Semi-permanent release. (Materials)

Available in 30 to 150 ton models, these precision presses are said to be ideal for either laboratory/development work or the rigors of regular production.

Compact hydraulic press. (Equipment)

What does rigor, a word that frequently pops up in conversations about education, really mean?