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See more synonyms for leukocyte on Thesaurus.com
noun Immunology.
  1. white blood cell.
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Also leucocyte.

Origin of leukocyte

First recorded in 1865–70; leuko- + -cyte
Related formsleu·ko·cyt·ic [loo-kuh-sit-ik] /ˌlu kəˈsɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for leukocytes

Historical Examples

  • Decrease in number of leukocytes, or leukopenia, is not important.

    A Manual of Clinical Diagnosis

    James Campbell Todd

  • Increase in number of leukocytes is common and of great importance.

  • Most striking is the immense increase in number of leukocytes.

  • The leukocytes are commonly normal in number and relative proportions.

  • The leukocytes must first be washed in several changes of normal salt solution to free them from any adherent plasma or serum.

    The Fundamentals of Bacteriology

    Charles Bradfield Morrey

Word Origin and History for leukocytes



also leucocyte, 1860, via French leucocyte, from Greek leuko-, comb. form of leukos "white" (see light (n.)) + -cyte (see cyto-).

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Online Etymology Dictionary, © 2010 Douglas Harper

leukocytes in Medicine


  1. white blood cell
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Related formsleu′ko•cytic (-sĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

leukocytes in Science


  1. See white blood cell.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.