windchill

noun

wind·​chill ˈwin(d)-ˌchil How to pronounce windchill (audio)
: 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 in a Sentence

It's cold outside, and it feels even colder because of the windchill. Expect windchills in the 20s tonight.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Tuesday night temperatures are expected to drop to about 8 degrees with windchills of about negative 4 with wind gusts around 15 mph. Deanese Williams-Harris, Chicago Tribune, 14 Jan. 2025 It has traditionally been applied to tornado events but has also been used for flash floods, thunderstorms, windchill, and fire weather. Chad De Guzman, TIME, 13 Jan. 2025 When her body was discovered Monday, temperatures in Kansas City were hovering around 12 degrees, with a 1 degree windchill. Ilana Arougheti, Kansas City Star, 7 Jan. 2025 Single-digit windchills are possible on Thursday and Friday, along with potential negative single-digit windchills at some points over the weekend. Claire Reid, Journal Sentinel, 31 Dec. 2024 See all Example Sentences for windchill 

Word History

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of windchill was in 1939

Dictionary Entries Near windchill

Cite this Entry

“Windchill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/windchill. Accessed 18 Jan. 2025.

Kids Definition

windchill

noun
wind·​chill -ˌchil How to pronounce windchill (audio)
: 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 windchill factor, windchill index

Medical Definition

windchill

noun
wind·​chill ˈwin(d)-ˌchil How to pronounce windchill (audio)
: 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

More from Merriam-Webster on windchill

Last Updated: - Updated example sentences
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