wind-chill

windchill factor

[wind-chil, win-]
noun Meteorology.
the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
Also, wind chill factor, wind-chill factor.
Also called chill factor, wind chill, windchill index.


Origin:
1945–50

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World English Dictionary
wind-chill (wɪnd-)
 
n
a.  the serious chilling effect of wind and low temperature: it is measured on a scale that runs from hot to fatal to life and allows for varying combinations of air temperature and wind speed
 b.  (as modifier): wind-chill factor

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