B.T.U. — synonyms, definition

1. B.T.U. (Noun)

B.Th.U. Board of Trade unit British thermal unit kW-hr kWh kilowatt hour

B.T.U. (Noun) — A unit of energy equal to the work done by a power of 1000 watts operating for one hour.

B.T.U. (Noun) — 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.

energy unit heat unit work unit watt-hour therm