Definition of kelvin noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈkelvɪn//
; NAmE NAmE//ˈkelvɪn//
(abbreviation K) (pl. kelvin, kelvins)
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a unit for measuring temperature. One kelvin is equal to one degree Celsius, but the Kelvin scale starts at absolute zero and water freezes at 273.15 kelvin. Word Origin late 19th cent.: named after Lord Kelvin (1824-1907), British physicist and natural philosopher.
See the Oxford Advanced American Dictionary entry: kelvin

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