Unit of heat


Also found in: Medical.
the quantity of heat required to raise, by one degree, the temperature of a unit mass of water, initially at a certain standard temperature. The temperature usually employed is that of 0° Centigrade, or 32° Fahrenheit.
(Physics) a determinate quantity of heat adopted as a unit of measure; a thermal unit (see under Thermal). Water is the substance generally employed, the unit being one gram or one pound, and the temperature interval one degree of the Centigrade or Fahrenheit scale. When referred to the gram, it is called the gram degree. The British unit of heat, or thermal unit, used by engineers in England and in the United States, is the quantity of heat necessary to raise one pound of pure water at and near its temperature of greatest density (39.1° Fahr.) through one degree of the Fahrenheit scale.

See also: Heat, Unit

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Tenders are invited for provision of services for the calculation of standards for technological losses in the transmission of thermal energy, standards for specific fuel consumption for sold thermal energy, standards for fuel reserves, standards for specific electric power consumption per unit of heat energy produced by boilers, per unit of recovery, water treatment and drains at facilities located in operation of energoneft tomsk llc within the tomsk and tyumen regions.
New standards for food safety are being pursued by the Australian unit of Heat and Control, Mt.
2 : a unit of heat used to indicate the amount of energy foods produce in the human body that is equal to 1000 calories