btu

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Definitions from WordNet

Noun btu has 1 sense

British thermal unit, BTU, 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 is a kind of work unit, heat unit, energy unit
--₁ is a part of therm

Definitions from the Web

BTU

Part of speech: Noun, Abbreviation

Sense: British thermal unit

Definition: A unit of heat energy defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.

Sample sentences:

The air conditioner in my room has a cooling capacity of 15,000 BTU.
Heating systems in many countries are still measured in BTUs.

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