U-value
noun Etymology: unit Date: 1949 a measure of the heat transmission through a building part (as a wall or window) or a given thickness of a material (as insulation) with lower numbers indicating better insulating properties — compare R-value

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • U-value — U val•ue [[t]ˈyuˌvæl yu[/t]] n. bui 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 • Etymology: 1945–50; U, symbol for internal energy …   From formal English to slang

  • U-value — UK [ˈjuːˌvæljuː] / US [ˈjuˌvælju] or U factor UK / US noun [countable] a measure of how well a part of a building, for example a window or a roof, prevents heat from escaping …   English dictionary

  • u-value — ˈ ̷ ̷ ¦ ̷ ̷ (ˌ) ̷ ̷ noun Usage: usually capitalized U Etymology: from unit : a measure of the heat transmission through a building part (as a wall or window) or a given thickness of a material (as insulation) with lower numbers indicating better… …   Useful english dictionary

  • U-value —   or U factor   A measure of how well heat is transferred by the entire window the frame, sash and glass either into or out of the building. U value is the opposite of R value. The lower the U factor number, the better the window will keep heat… …   Energy terms

  • U-value — /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] * * * …   Universalium

  • U-Value — (see Coefficient of Heat Transmission)   The reciprocal of R Value. The lower the number, the greater the heat transfer resistance (insulating) characteristics of the material …   Energy terms

  • U-value — noun thermal transmittance or thermal conductance …   Wiktionary

  • U-factor — U value UK [ˈjuːˌvæljuː] / US [ˈjuˌvælju] or U factor UK / US noun [countable] a measure of how well a part of a building, for example a window or a roof, prevents heat from escaping …   English dictionary

  • U.S. Customs and Border Protection — Abbreviation CBP Patch of CBP …   Wikipedia

  • value added — is the risk adjusted return generated by an investment strategy: the return of the investment strategy minus the return of the benchmark. Bloomberg Financial Dictionary * * * Ⅰ. value added UK US (also value added) noun …   Financial and business terms

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