follow Dictionary.com

What do a.m. and p.m. stand for?

windchill factor

[wind-chil, win-] /ˈwɪndˌtʃɪl, ˈwɪn-/
noun, Meteorology
1.
the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
Also called chill factor, wind chill, windchill index.
Origin of windchill factor
1945-1950
1945-50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
wind-chill factor in Science
wind-chill factor  
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for windchill factor

Few English speakers likely know this word

Word Value for wind

8
9
Scrabble Words With Friends

Nearby words for wind-chill factor