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  1. Dictionary
    Kel·vin
    /ˈkelv(ə)n/

    noun

    • 1. the SI base unit of thermodynamic temperature (equivalent in size to the degree Celsius), first introduced as the unit used in the Kelvin scale.
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  3. www.merriam-webster.com › dictionary › kelvinKelvin Definition & Meaning - Merriam-Webster

    Learn the meaning of kelvin as a noun and an adjective, and how it relates to the International System of Units and the Kelvin scale. See examples, etymology, and related words for kelvin.

  4. en.wikipedia.org › wiki › KelvinKelvin - Wikipedia

    The kelvin, symbol K, is the base unit of measurement for temperature in the International System of Units (SI). The Kelvin scale is an absolute temperature scale that starts from 0 K, the coldest possible temperature ( absolute zero ), then rises by exactly 1 K for each 1 °C.

  5. www.britannica.com › science › kelvinKelvin (K) | Definition & Facts | Britannica

    Apr 25, 2024 · Kelvin is the base unit of thermodynamic temperature measurement in the International System of Units (SI). It is also the fundamental unit of the Kelvin scale, an absolute temperature scale named for Lord Kelvin. Learn more about its history, definition, and relation to other units.

    • The Editors of Encyclopaedia Britannica

  6. www.nist.gov › si-redefinition › kelvin-introductionKelvin: Introduction | NIST

    May 14, 2018 · Learn how the kelvin, the SI unit of temperature, is defined in terms of the Boltzmann constant and how it differs from the Celsius and Fahrenheit scales. Find out the history, applications and challenges of measuring temperature with the kelvin.

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  8. www.dictionary.com › browse › kelvinKELVIN Definition & Meaning | Dictionary.com

    adjective. Thermodynamics. noting or pertaining to an absolute scale of temperature Kel vin scale in which the degree intervals are equal to those of the Celsius scale and in which absolute zero is 0 degrees Kelvin and the triple point of water has the value of approximately 273 degrees Kelvin.

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  10. dictionary.cambridge.org › dictionary › englishKELVIN | English meaning - Cambridge Dictionary

    Kelvin is a standard unit of temperature, equal to one degree Celsius. Learn how to use kelvin in science, physics and everyday language with examples from Cambridge Dictionary and Wikipedia.

  11. dictionary.cambridge.org › english › kelvinKELVIN | definition in the Cambridge English Dictionary

    Kelvin is a standard unit of temperature, equal to one degree Celsius. Learn how to use kelvin in sentences, pronounce it and find translations in different languages.

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