British Thermal Unit
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British Thermal Unit Definition
A non-SI unit of energy equal to the amount of heat required to raise the temperature of one pound avoirdupois of air-free water by one degree Fahrenheit at a constant pressure of one atmosphere. The value of the unit depends on the initial temperature of the water and varies in the range of approximately 1.054 - 1.060 joules.British Thermal Unit Synonyms
British Thermal Unit, B.T.U., B.Th.U., BTU, Btu (usual), [Btu]Terms in British Thermal Unit category
British Thermal Unit 39 Degrees FahrenheitBritish Thermal Unit 59 Degrees Fahrenheit
British Thermal Unit 60 Degrees Fahrenheit
British Thermal Unit International Table
British Thermal Unit Mean
British Thermal Unit Thermochemical