Definition of British thermal unit in English:

British thermal unit

Syllabification: Brit·ish ther·mal u·nit
(abbreviation: Btu, BTU)

noun

The amount of heat needed to raise one pound of water at maximum density through one degree Fahrenheit, equivalent to 1.055 × 103 joules.
More example sentences
  • The gas, amounting to 243.27 trillion British thermal units in total, will come from Rancak, Pagerungan and Terang Sirasun fields in the province.
  • Most energy companies use natural gas to fire their generators, and the industrial price of natural gas has climbed to $7.22 per million British thermal units from $6.05 a year earlier.
  • Propane heaters are rated in British thermal units, and are typically found in the 10,000 to 50,000 BTU range (larger sizes are also available).

Definition of British thermal unit in:

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Word of the day demoralize
Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope