Search Result for "b.t.u.": 
Wordnet 3.0

NOUN (1)

1. a unit of energy equal to the work done by a power of 1000 watts operating for one hour;
[syn: kilowatt hour, kW-hr, Board of Trade unit, B.T.U.]



WordNet (r) 3.0 (2006):

B.T.U.
    n 1: a unit of energy equal to the work done by a power of 1000
         watts operating for one hour [syn: kilowatt hour, kW-
         hr, Board of Trade unit, B.T.U.]


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

BTU
       Basic Transmission Unit (IBM, SNA)