thermal unit
noun
a unit of heat energy or of the equivalent of heat energy in work.
Origin of thermal unit
1First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use thermal unit in a sentence
The British thermal unit is the amount of heat required to raise the temperature of one pound of water one Fahrenheit degree.
Physics | Willis Eugene TowerA British thermal unit is the amount of heat required to warm one pound of water one degree Fahrenheit.
Mechanical Devices in the Home | Edith Louise AllenThe number of foot pounds of mechanical energy equivalent to one British thermal unit.
Hawkins Electrical Guide, Number One | Nehemiah Hawkins
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