A unit of thermodynamic temperature equal to 273.16−1 of the thermodynamic temperature of the triple point of water. See K. scale. [Lord K.]
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Kelvin adj relating to, conforming to, or being the Kelvin scale
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n.
the SI units of temperature, formally defined as the fraction 1/273.16 of the temperature of the triple point of water. A temperature in kelvins is equal to a Celsius temperature plus 273.15°C. Symbol: K.
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kel·vin (K) (kelґvin) [Lord Kelvin] the base SI unit of temperature, equal to 1/273.15 of the absolute temperature of the triple point of water. See also absolute temperature, under temperature, and Kelvin scale, under scale.Medical dictionary. 2011.