centigrade heat unit

centigrade heat unit

[′sent·ə‚grād ′hēt ‚yü·nət]
(thermodynamics)
A unit of heat energy, equal to 0.01 of the quantity of heat needed to raise 1 pound of air-free water from 0 to 100°C at a constant pressure of 1 standard atmosphere; equal to 1900.44 joules. Symbolized CHU; (more correctly) CHUmean.

pound-calorie

The amount of heat required to raise one pound of water one degree centigrade.
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