Dictionary.com

wind chill

or wind·chill

[ wind-chil, win- ]
/ ˈwɪnd ˌtʃɪl, ˈwɪn- /

noun Meteorology.

the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed: Sorry, but when the wind chill is below zero, I lose all interest in skiing.

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Also called wind chill fac·tor, wind·chill fac·tor [wind-chil fak-ter, win-], /ˈwɪnd ˌtʃɪl ˈfæk tər, ˈwɪn-/, chill fac·tor .
Compare wind chill index.

Origin of wind chill

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for wind chill

wind-chill
/ (wɪnd-) /

noun

  1. 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
  2. (as modifier)wind-chill factor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012