Meanings
nounBritish thermal unit (plural British thermal units)
plural British thermal units
- 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.
Synonyms & antonyms
nouna 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
Similar
BTUB.Th.U.
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Chinese Mandarin 英熱單位 /英热单位
- 英熱單位 /英热单位 (yīngrèdānwèi)the quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a particular temperature
Irish teasaonad Briotanach
- teasaonad Briotanachthe quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a particular temperature
Korean 영국 열량 단위
- 영국 열량 단위 (yeongguk yeollyang danwi)the quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a particular temperature
Tagalog Britanhing initing isahin
- Britanhing initing isahinthe quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a particular temperature
Welsh uned thermol Brydeinig
- uned thermol Brydeinigthe quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a particular temperature
Cite this entry
APA
British thermal unit. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/British%20thermal%20unit
MLA
“British thermal unit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/British%20thermal%20unit. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “British thermal unit,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/British%20thermal%20unit.
Source: British thermal unit on Wiktionary, CC BY-SA 4.0.