Dictionary

windchill

windchill

noun wind·chill \ˈwin(d)-ˌchil\

: the effect that wind has of making air feel colder than it actually is

: a temperature that shows how cold the air feels because of the wind

Full Definition of WINDCHILL

:  a still-air temperature that would have the same cooling effect on exposed human skin as a given combination of temperature and wind speed —called also chill factor, windchill factor, windchill index

Examples of WINDCHILL

  1. It's cold outside, and it feels even colder because of the windchill.
  2. Expect windchills in the 20s tonight.

First Known Use of WINDCHILL

1939

windchill

noun wind·chill \ˈwin(d)-ˌchil\   (Medical Dictionary)

Medical Definition of WINDCHILL

:  a still-air temperature that would have the same cooling effect on exposed human flesh as a given combination of temperature and wind speed—called also chill factor, windchill factor, windchill index

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