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Absolute zero

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absolute zero
temperature at which it is believed that all molecular activity ceases (-273.16 degrees Celsius/-459.69 degrees Fahrenheit)

Wikipedia English The Free Encyclopedia

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Absolute zero
Absolute zero is the lower limit of the thermodynamic temperature scale, a state at which the enthalpy and entropy of a cooled ideal gas reaches its minimum value, taken as 0. The theoretical temperature is determined by extrapolating the ideal gas law; by international agreement, absolute zero is taken as -273.15° on the Celsius scale (International System of Units), which equates to -459.67° on the Fahrenheit scale (United States customary units or Imperial units). The corresponding Kelvin and Rankine temperature scales set their zero points at absolute zero by definition.

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WordNet 2.0 Dictionary

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absolute zero

Noun
1. (cryogenics) the lowest temperature theoretically attainable (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 Centigrade or -459.67 Fahrenheit
(hypernym) temperature
(classification) cryogenics, cryogeny


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absolute zero
n. absolutní nula

ASTRONOMY UNBOUND Dictionary

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Absolute zero
Theorised to be the lowest temperature it is possible to attain. As matter is cooled down, so the motion of atoms and molecules gradually ceases. At absolute zero all movement stops. It occurs at -273 degrees on the centigrade scale and defines the zero degrees point on the Kelvintemperature scale.



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