Similar Words to B.th.u.:
British Thermal Unit
Btu
Definitions of B.th.u.:
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
British Thermal Unit
Btu
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