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.

QUIZ

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."

Question 1 of 7

IS and ARE are both forms of which verb?

Compare R-value.

Origin of U-value

1945–50; U, symbol for internal energy

But there's a ton of value for me in my background and my history, and losing it would be a shame.
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There is reference after reference to the “black community,” “black worth ethic,” and adherence to the “black value system.”
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As Randy notes, “Maybe there is a value in shining a light on this and asking the questions.”
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Canned drinks like Mercy contain up 5,000 percent of the daily value of certain vitamins.
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Director Yoo Dong-hun and screenwriter Lee Jung-u were arrested for firebombing theaters.
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Other things being equal, the volume of voice used measures the value that the mind puts upon the thought.
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Of course the expression of this value is modified and characterized by the nature of the thing spoken of.
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Was a pupil of Caspar Netscher of Heidelberg, whose little pictures are of fabulous value.
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He must trust to his human merits, and not miracles, for his Sonship is of no value in this conflict.
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U was an Usurer, a miserable elf; V was a Vintner, who drank all himself.
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