The temperature of windless air that would have the same effect on exposed human skin as a particular combination of wind speed and air temperature. As the wind blows faster, heat is lost more quickly from exposed skin, making a person feel colder even though the air temperature remains the same. Also called chill factor
A THANKSGIVING SPELLING QUIZ TO FEED YOUR HISTORY KNOWHOW
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Words nearby wind-chill factor
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.