absolute zero meaning

  "absolute zero" in a sentence
  • Noun: absolute zero
    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

    Type of: temperature

    Encyclopedia: Absolute zero

  • [Electronics]
    The temperature –273.16°C (-459.7°F and 0 Kelvin). The coldest possible temperature, representing the complete absence of heat energy.

  • [Medicine]
    n : a theoretical temperature characterized by complete absence of heat and equivalent to exactly −273.15°C or −459.67°F

  • [Thermodynamics]
    "The temperature of -273.16癈, or -459.69癋, or 0 K, thought to be the temperature at which molecular motion vanishes and a body would have no heat energy."
  • absolute:    Adjective: absolut ...
  • zero:    Noun: zero (zeros, ...
  • zero in:    Verb: zero inDirec ...


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  1. this last advance permitted a very close approach to the limiting temperature of absolute zero.
  2. whether absolute zero may be achieved experimentally is a question of some interest and importance.
  3. the electrical resistivity of some metals seems to vanish altogether at temperatures a few degrees above absolute zero.
  4. until then, the term " absolute zero " will have no meaning
  5. how are temperatures close to absolute zero achieved and measured

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