English
Detailed Synonyms for British thermal unit in English
British thermal unit:
British thermal unit [the ~] noun
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the British thermal unit
– 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 1the BTU; the British thermal unit; the B.Th.U.– 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 1