Hultsch, Roland A. Department of Physics, University of Missouri, Columbia, Missouri.
Last reviewed:June 2019
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- Empirical scales
- Absolute temperature scale
- Kinetic temperature
- Negative absolute temperatures
- Extreme temperatures
- Links to Primary Literature
- Additional Readings
A quantitative measure of hotness or coldness expressed in arbitrary numerical scales. Temperature as a concept involves the flow of heat from one object or region of space to another. In everyday life, temperature is familiarly encountered in relation to weather (Fig. 1), indoor climate control, food preparation and storage, as well as bodily health. In physics, thermodynamic temperature is an absolute measure of the average energy of motion of the atoms and molecules in an object, circumscribed region, or theoretical space. See also: Atom; Food preservation; Heat transfer; Homeostasis; Molecule; Physics; Refrigeration; Thermodynamic principles; Weather
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