Absolute zero Meaning, Definition & Usage

  1. noun (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

WordNet


Definitions
  1. . See under Absolute.
Definitions
  1. (Physics), the be ginning, or zero point, in the scale of absolute temperature. It is equivalent to -273° centigrade or -459.4° Fahrenheit.

Webster 1913