English noun: BTU | |||
| 1. | BTU (quantity) a 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 | ||
| Synonyms | B.Th.U., British thermal unit | ||
| Broader (hypernym) | energy unit, heat unit, work unit | ||
| Part meronym | therm | ||