DICT.TW Dictionary Taiwan

 B.T.U.
      n : a unit of energy equal to the work done by a power of 1000
          watts operating for one hour [syn: kilowatt hour, kW-hr,
           Board of Trade unit]

 BTU
      n : 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 [syn:
           British thermal unit, B.Th.U.]