follow Dictionary.com

9 Grammatical Pitfalls

U-value

[yoo-val-yoo] /ˈyuˌvæl yu/
noun
1.
a measure of the flow of heat through an insulating or building material: the lower the U-value, the better the insulating ability.
Compare R-value.
Origin of U-value
1945-1950
1945-50; U, symbol for internal energy
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source

Word of the Day

Difficulty index for U-value

Few English speakers likely know this word

Word Value for U

0
0
Scrabble Words With Friends

Quotes with U-value

Nearby words for u-value