Kelvin /(kĕl"vĭn)/

Kel·vin

Kelvin

n.
  1. The SI unit of temperature, defined as being 1/273.16 of the triple point of water; abbreviated K. The melting point of water at 760 mm pressure is 273.15 Kelvins, and the boiling point 373.15 Kelvins. One degree Kelvin is equal to one degree Centigrade, and <frac:9_5/ degrees Fahrenheit.