Definition of kelvin in English:


Syllabification: kel·vin
Pronunciation: /ˈkelvən
(abbreviation: K)

noun (plural same or kelvins)

The SI base unit of thermodynamic temperature, equal in magnitude to the degree Celsius.
More example sentences
  • Liquid helium will cool the gyroscopes to 1.8 kelvins.
  • During typical sonoluminescence experiments, spectral emission temperatures range up to tens of thousands of kelvins, and the rapidly imploding bubble walls can generate internal shock waves under certain conditions.
  • To the scientists' surprise, tests showed that the resulting compound is a superconductor at cryogenic temperatures below 18.5 kelvins.


late 19th century: named after Lord Kelvin (see Kelvin, 1st Baron).

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