Word.ws English Dictionary

BTU

/biː.tiː.juː/

BTU is the initialism of British thermal unit.

Meaning of British thermal unit

Noun

British thermal unit (plural British thermal units)

  1. A unit of energy that is equivalent to the quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a particular temperature (there are several different precise definitions) and a pressure of one atmosphere.

Symbol capitalized: Btu

Btu

  1. Alternative letter-case form of BTU (“British thermal unit”).

Forms of BTU

pluralBTUs

Words formed from BTU

Questions about BTU

What is BTU the initialism of?
BTU is the initialism of British thermal unit.
What part of speech is BTU?
BTU is a symbol.
How do you pronounce BTU?
BTU is pronounced /biː.tiː.juː/.

Words near BTU in the dictionary

  1. bttm
  2. bttmed
  3. bttming
  4. bttms
  5. BTTS
  6. BTU
  7. BTUs
  8. BTV
  9. BtVS
  10. btw
  11. btwn

Source and license

Adapted from Wiktionary: BTU (page history and authors); Btu (page history and authors); British thermal unit (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “BTU.” Word.ws, https://word.ws/btu. Based on Wiktionary, CC BY-SA 4.0.