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Kelvin

[kel-vin]
noun
  1. William Thomson, 1st Baron,1824–1907, English physicist and mathematician.
  2. (lowercase) the basic unit of temperature in the International System of Units (SI), formally defined to be approximately 1/273 of the triple point of water. Abbreviation: K
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adjective
  1. Thermodynamics. noting or pertaining to an absolute scale of temperature (Kelvin 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.Compare absolute temperature scale, Celsius(def 3).
  2. Also Kel·win [kel-win] /ˈkɛl wɪn/. a male given name.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for kelvin

kelvin

noun
  1. the basic SI unit of thermodynamic temperature; the fraction 1/273.16 of the thermodynamic temperature of the triple point of waterSymbol: K
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Kelvin

noun
  1. William Thomson, 1st Baron Kelvin. 1824–1907, British physicist, noted for his work in thermodynamics, inventing the Kelvin scale, and in electricity, pioneering undersea telegraphy
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for kelvin

Kelvin

unit of absolute temperature scale, 1911, in honor of British physicist Sir William Thompson, Lord Kelvin (1824-1907).

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Online Etymology Dictionary, © 2010 Douglas Harper

kelvin in Medicine

kelvin

(kĕlvĭn)
n.
  1. A unit of temperature in the Kelvin scale equal to 1273.16 of the absolute temperature of the triple point of pure water.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

kelvin in Science

kelvin

[kĕlvĭn]
  1. The SI unit used to measure temperature, the basic unit of the Kelvin scale. A difference of one degree Kelvin corresponds to the same temperature difference as a difference of one degree Celsius. See Table at measurement. See also absolute zero.
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Kelvin

  1. British mathematician and physicist known especially for his work on heat and electricity. In 1848 he proposed a scale of temperature independent of any physical substance, which became known as the Kelvin scale.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.