British thermal unit (Btu)

British thermal unit

n. Abbr. BTU or Btu

1. The quantity of heat required to raise the temperature of one pound of water from 60° to 61°F at a constant pressure of one atmosphere.

2. The quantity of heat equal to ¹/₁₈₀ of the heat required to raise the temperature of one pound of water from 32° to 212°F at a constant pressure of one atmosphere.

British thermal unit

(Mathematics & Measurements / Units) a unit of heat in the fps system equal to the quantity of heat required to raise the temperature of 1 pound of water by 1°F. 1 British thermal unit is equivalent to 1055.06 joules or 251.997 calories Abbrevs btu BThU

British thermal unit (br

sh)

A unit used mainly to measure heat but also applied to other forms of energy. One British thermal unit is equal to the amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit, or 251.997 calories.

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Noun

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

B.Th.U., BTU

energy unit, heat unit, work unit - a unit of measurement for work

therm - a unit of heat equal to 100,000 British thermal units

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B.Th.U.
British
BTU
energy unit
heat unit
therm
work unit

British lop

British monetary unit

British Museum

British National Party

British North America

British Parliament

British people

British pound