Wordnet 3.0
NOUN (1)
1.
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;
[syn: British thermal unit, BTU, B.Th.U.]
WordNet (r) 3.0 (2006):
BTU
n 1: 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 [syn:
British thermal unit, BTU, B.Th.U.]
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
BTU
Basic Transmission Unit (IBM, SNA)