kelvin.
In the International System of Units, the base unit of thermodynamic temperature; ¹⁄_(273.16) of the thermodynamic temperature of the triple point of water.
Meaning & usage
In the International System of Units, the base unit of thermodynamic temperature; ¹⁄_(273.16) of the thermodynamic temperature of the triple point of water.
Ice melts above 273.15 kelvins.
Water boils above 373.15 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.
The interval between the freezing and boiling points of water is 100 kelvins.
A measurement of color warmth defined by the temperature kelvin at which an incandescent blackbody would emit a given color.
Where this word comes from
Named after Irish-born Scottish physicist William Thomson, Lord Kelvin.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.