Kelvin scale n a temperature scale that has the kelvin as its unit of measurement and according to which absolute zero (-273.15°C) is 0 K and water freezes at 273.15 K and boils at 373.15 K
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Kel·vin scale (kelґvin) [William Thomson, Lord Kelvin, British physicist, 1824–1907] see under scale.Medical dictionary. 2011.