wind chill index

or wind·chill in·dex

[ wind-chil in-deks, win-, ]

  1. a chart from which the combined effects of temperature and wind speed are formulaically calculated to determine wind chill: Once we hit a certain zone on the wind chill index, the risk of frostbite is apparent.

Origin of wind chill index

First recorded in 1935–40
  • Also called wind chill chart, wind·chill chart [wind-chil chahrt, win-] /ˈwɪnd ˌtʃɪl ˌtʃɑrt, ˈwɪn-/ .

Words Nearby wind chill index Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023