Word Study
btu
WORDNET DICTIONARY
Noun btu has 1 sense
- btu(n = noun.quantity) b.th.u., 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; Array is a kind of energy unit, heat unit, work unit
is a part of therm
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