Meaning | A unit of measurement for work. |
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Synonyms | heat unit, energy unit |
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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 |
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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 |
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Spanish | caloría, unidad de energía, unidad de trabajo |
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Catalan | unitat d'energia, unitat de treball |
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