| British thermal unit |
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
Ãâó: wordnet.princeton.edu/perl/webwn
|
|---|---|
| British thermal unit |
The British thermal unit (BTU or Btu) is a non-metric unit of energy, used in the United States and, to a lesser extent, the UK (where it isgenerally only used for heating systems). The SI unit is the joule (J), which is used by most other countries. ...
Ãâó: en.wikipedia.org/wiki/British_thermal_unit
|
| British thermal unit |
The amount of heat required to increase the temperature of a pound of water 1?Fahrenheit. A Btu is used as a common measure of heating value for different fuels. Prices of different fuels and their units of measure (dollars per barrel of crude, dollars per ton of coal, cents per gallon of gasoline, cents per thousand cubic feet of natural gas) can be easily compared when expressed as dollars and cents per million Btus.
Ãâó: www.caltex.com.au/products_glo.asp
|
| British thermal unit |
(abbrev. Btu) 1. A unit of energy equal to 1,055 joules or 252 calories. 2. The amount of energy needed to raise the temperature of one pound of water one degree Fahrenheit. 3. The approximate amount of potential energy in one match tip.
Ãâó: www.uwsp.edu/cnr/wcee/keep/Mod1/Unitall/definition...
|
| British thermal unit |
the quantity of heat required to raise the temperature of one pound of water 1
Ãâó: www.acculam.com/defs.htm
|