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U-value

[ yoo-val-yoo ]
/ ˈyuˌvæl yu /
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noun
a measure of the flow of heat through an insulating or building material: the lower the U-value, the better the insulating ability.
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QUIZ YOURSELF ON "IS" VS. "ARE"
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
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IS and ARE are both forms of which verb?
Compare R-value.

Origin of U-value

1945–50; U, symbol for internal energy

Words nearby U-value

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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