Etymology

kelvin

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Today it means: 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. Full definition →

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kelvin · noun1

Named after Irish-born Scottish physicist William Thomson, Lord Kelvin.

Kelvin · proper noun, noun2

Of Celtic/Scottish Gaelic origin, possibly from caol (“narrow”) or coille (“wooded”) + abhainn (“river”). The surname is derived from the river. The surname was also possibly influenced by Calvert (Middle English calfhirde).

Etymology from Wiktionary, CC BY-SA 4.0.