british thermal unit

Noun
  1. A unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure;
    Equivalent to 251.997 calories (synset 113749057)
    is a type of: energy unit, heat unit, work unit - a unit of measurement for work
    is a part of: therm - a unit of heat equal to 100,000 British thermal units
    same as: b.th.u., btu

Other Searches