B.th.u

B.T.U.

Physics.
British thermal unit; British thermal units.
Also, BTU, B.t.u., B.th.u., Btu.
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WordNet
b.t.u.

noun
a unit of energy equal to the work done by a power of 1000 watts operating for one hour [syn: kilowatt hour
WordNet® 3.0, © 2006 by Princeton University.
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