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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
On Thursday into Friday, brisk winds replaced the rain, bringing windchills in the 20s overnight as temperatures will be in the mid to upper 40s.
—Thomas G. Moukawsher, Newsweek, 29 Nov. 2024
The alternative would have been to pitch camp, but with one plane down, a storm approaching and windchills already taking the temperature well below zero on this late September day, that seemed like a foolish idea.
—Scott Haugen, Outdoor Life, 11 Sep. 2024
Most of the state is under a windchill warning into Tuesday.
—Nicole Fallert, USA TODAY, 16 Jan. 2024
Unlike his last visit when windchill factors dropped below zero, Wednesday’s visit came under sunny skies and temperatures in the 70s.
—John Wisely, Detroit Free Press, 2 May 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 16 Dec. 2024.
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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