Kelvin

Noun

1. In the International System of Units, the base unit of thermodynamic temperature; ⁄273.16 of the thermodynamic temperature of the triple point of water.

   "Ice melts above 273.15 kelvins."

2. One degree of difference on this scale, as a unit interval.

   "The dew point here today is only 1 kelvin above what it was yesterday."

3. A measurement of color warmth defined by the temperature kelvin at which an incandescent blackbody would emit a given color.