1파운드의 물의 온도를 섭씨 1도 올리는 데 필요한 열량의 단위.
A unit of heat energy equal to the amount of heat required to raise the temperature of one pound of water by one degree Celsius.
예문:
"The thermal capacity of the industrial boiler was rated in CHU per hour."
"Engineers must convert CHU to Joules when working with modern SI units."