I. ˈkelvə̇n adjective
Usage: usually capitalized
Etymology: after William Thomson, Lord Kelvin died 1907 British physicist
: relating to, conforming to, or having a thermometric scale on which the unit of measurement equals the Celsius degree and according to which absolute zero is 0 K, the equivalent of -273.15° C, and water freezes at 273.15 K and boils at 373.15 K
II. ˈkelvə̇n noun
( -s )
Etymology: Kelvin , adjective
: the base unit of temperature in the International System of Units that is equal to 1/273.16 of the Kelvin-scale temperature of the triple point of water
a temperature as high as 700 kelvins — R. Cowen