British thermal unit
The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit; often used as a unit of measure for the energy content of fuels.
- Also Known As
- Related Terms
- Energy, heat
- ↑ http://www.eia.gov/tools/glossary/index.cfm?id=B
- ↑ http://needtoknow.nas.edu/energy/glossary/