U-VALUE


Meaning of U-VALUE in English

/yooh"val'yooh/ , n.

a measure of the flow of heat through an insulating or building material: the lower the U-value, the better the insulating ability. Cf. R-value .

[ 1945-50; U, symbol for internal energy ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .