| NOUN | quantity | energy unit, work unit, heat unit | a unit of measurement for work |
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| Meaning | A unit of measurement for work. | |
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| Synonyms | work unit, heat unit | |
| Narrower | British thermal unit, BTU, B.Th.U. | A unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure |
| Calorie, kilogram calorie, kilocalorie, large calorie, nutritionist's calorie | A unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure | |
| calorie, gram calorie, small calorie | unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure | |
| electron volt, eV | A unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt | |
| erg | A cgs unit of work or energy | |
| foot-pound | A unit of work equal to a force of one pound moving through a distance of one foot | |
| foot-poundal | A unit of work equal to a force of one poundal moving through a distance of one foot | |
| foot-ton | 2240 foot-pounds | |
| horsepower-hour | A unit of work equal to the work done by one horsepower in one hour | |
| joule, J, watt second | A unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second | |
| kilogram-meter | A unit of work equal to the work done by a one kilogram force operating through a distance of one meter | |
| kilowatt hour, kW-hr, Board of Trade unit, B.T.U. | A unit of energy equal to the work done by a power of 1000 watts operating for one hour | |
| therm | A unit of heat equal to 100,000 British thermal units | |
| watt-hour | A unit of energy equal to the power of one watt operating for one hour | |
| Broader | unit of measurement, unit | Any division of quantity accepted as a standard of measurement or exchange |
| Spanish | caloría, unidad de energía, unidad de trabajo | |
| Catalan | unitat d'energia, unitat de treball | |
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