unit of absolute temperature scale, 1911, in honor of British physicist Sir William Thompson, Lord Kelvin (1824-1907).
kelvin kel·vin (kěl'vĭn)
A unit of temperature in the Kelvin scale equal to 1/273.16 of the absolute temperature of the triple point of pure water.
|Kelvin, First Baron. Title of William Thomson 1824-1907. |
British mathematician and physicist known especially for his work on heat and electricity. In 1848 he proposed a scale of temperature independent of any physical substance, which became known as the Kelvin scale.