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See more synonyms for kappa on Thesaurus.com
  1. the tenth letter of the Greek alphabet (K, k).
  2. the consonant sound represented by this letter.
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Origin of kappa

< Greek káppa < Semitic; see kaph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for kappa

Contemporary Examples

Historical Examples

  • Such was the end of the Kappa, and my gallant friend, Commander Stephan.

    Danger! and Other Stories

    Arthur Conan Doyle

  • The form c is the representative of γ and σ and not of the Greek kappa.

  • Marcella and Peggy were the only other representatives of the Kappa Upsilons.

    Betty Lee, Sophomore

    David Goodger (goodger@python.org)

  • But the Kappa Upsilons were having quite a time with their pledges.

    Betty Lee, Sophomore

    David Goodger (goodger@python.org)

  • We can also trace Ainu influence in regard to certain Japanese superstitions, such as the belief in the Kappa, or river monster.

    Myths &amp; Legends of Japan

    F. Hadland (Frederick Hadland) Davis

British Dictionary definitions for kappa


  1. the tenth letter in the Greek alphabet (Κ, κ), a consonant, transliterated as c or k
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Word Origin

Greek, of Semitic origin
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 kappa

tenth letter of the Greek alphabet, from an Aramaized form of qoph; see K.

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Online Etymology Dictionary, © 2010 Douglas Harper

kappa in Medicine


  1. The tenth letter of the Greek alphabet.
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  1. Relating to or characterizing a polypeptide chain that is one of two types of light chains present in immunoglobins.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.