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windchill


wind·chill

noun \ˈwin(d)-ˌchil\

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

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