chill


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chill

1. a feverish cold
2. a metal plate placed in a sand mould to accelerate cooling and control local grain growth
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Chill

 

a sensation of cold that is caused by spasms of the superficial blood vessels. Chill is also accompanied by skin-muscle spasms, a phenomenon known as gooseflesh, and by muscle tremors, which arise mostly in the masticatory muscles and also in the muscles of the shoulder girdle, spine, and extremities. Chill often occurs as fever begins to rise in many pathological conditions, including traumas and infections. While experiencing chill, the body loses heat at a lower rate and produces heat at a higher rate; the increased heat production is due to muscle contraction, and after the body temperature rises, the chill usually ceases. Chill also occurs at the height of a fever if the body temperature fluctuates sharply.

Nervous, as opposed to physiological, chill is only a subjective sensation that occurs, for example, in neuroses. Chill is a normal protective reaction in response to exposure to cold. It can also occur in excitable persons under conditions of fear or agitation.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

chill

[chil]
(metallurgy)
A metal plate inserted in the surface of a sand mold or placed in the mold cavity to rapidly cool and solidify the casting, producing a hard surface.
White or mottled iron occurring on the surface of a rapidly cooled gray iron casting.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

CHILL

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