Definition of absolute zero in English:

absolute zero

Syllabification: ab·so·lute ze·ro


  • The lowest temperature that is theoretically possible, at which the motion of particles that constitutes heat would be minimal. It is zero on the Kelvin scale, equivalent to -273.15°C or -459.67°F.
    More example sentences
    • The third law of thermodynamics states that for a perfect crystal at a temperature of absolute zero on the Kelvin scale the entropy value is zero.
    • In doing so, he devised a more fundamental way of defining the absolute zero of temperature, independent of any particular material substance.
    • At absolute zero the internal energy of the system would be zero since temperature is proportional to internal energy.

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