|
|
|
/brˈɪtɪʃ θˈərməl jˈunət/ Listen  British thermal unit
noun 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. Synonyms: B.Th.U., BTU.
WordNet 3.0 © 2010 Princeton University
|
|
|
