The amount of heat needed to raise 1 lb 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:
- The US English dictionary