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windchill
noun
wind·chill
ˈwin(d)-ˌchil
: 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
However, windchills are forecasted to remain just below freezing, meaning at least some of the snow should stick around.
—Claire Reid, Journal Sentinel, 24 Dec. 2024
As snow continues to fall, temperatures are expected to hit single digits Monday and Tuesday evening with sub-freezing windchills.
—Evan Mealins, The Tennessean, 15 Jan. 2024
Current conditions at O’Hare International Airport are mostly cloudy at 29 degrees and a windchill of negative two degrees.
—Deanese Williams-Harris, Chicago Tribune, 11 Dec. 2024
Temperatures will climb to the mid-20s by Thursday afternoon, with windchills feeling like the low teens.
—Claire Reid, Journal Sentinel, 4 Dec. 2024
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Word History
First Known Use
1939, in the meaning defined above
Dictionary Entries Near windchill
Cite this Entry
“Windchill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/windchill. Accessed 1 Jan. 2025.
Kids Definition
windchill
noun
wind·chill
-ˌchil
: 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
: 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
Britannica.com: Encyclopedia article about windchill
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