Added 10 October 2026
kelvin
/ˈkɛlvɪn/ noun
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about kelvin at Wordnik → Where our words come from →
-
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.
-
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.
- A measurement of color warmth defined by the temperature kelvin at which an incandescent blackbody would emit a given color.
Origin
Named after Irish-born Scottish physicist William Thomson, Lord Kelvin.
From Wiktionary, via Kaikki.org (CC BY-SA)