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wind chill

or wind·chill

[wind-chil, win-]
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noun Meteorology.
  1. the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
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Origin of wind chill

First recorded in 1945–50
Also called wind·chill factor [wind-chil, win-,] /ˈwɪndˌtʃɪl ˌfæk tər, ˈwɪn-,/ wind·chill in·dex [wind-chil in-deks, win-] /ˈwɪndˌtʃɪl ˌɪn dɛks, ˈwɪn-/, chill factor.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018