Definition of

B.th.u.

  1. (noun, quantity) 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

via WordNet, Princeton University

Synonyms of B.th.u.

british thermal unit, btu

Alternate forms of B.th.u.

Hypernyms: energy unit, heat unit, work unit

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