Word Study
b.th.u.
WORDNET DICTIONARY
Noun b.th.u. has 1 sense
- b.th.u.(n = noun.quantity) british thermal unit, btu - 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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