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
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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
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Usage Examples
Misspelled Form
BTU, BTU, TU, BTU, BTU, BU, BTU, BTU, BT, BTU.