British thermal unit
British thermal unit
nounDefinition of BRITISH THERMAL UNIT
: the quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a specified temperature (as 39°F)—abbreviation Btu
Test Your Vocabulary
Take Our 10-Question Quiz
|
|
|
Name That ThingTest Your Knowledge » |
|
True or False?A quick quiz about stuff worth knowing Take It Now » |
|
|
|
Join Us on FB & TwitterGet the Word of the Day and More Facebook | Twitter |
|
Get Our Free AppsVoice Search, Favorites, |
-
Learning English?
We can help.
Visit our free site designed especially for learners and teachers of English LearnersDictionary.com »
-
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more. See all » -
Other Merriam-Webster Dictionaries
