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[mon-uh-sahyt] /ˈmɒn əˌsaɪt/
noun, Cell Biology.
a large, circulating white blood cell, formed in bone marrow and in the spleen, that ingests large foreign particles and cell debris.
Origin of monocyte
First recorded in 1910-15; mono- + -cyte
Related forms
[mon-uh-sit-ik] /ˌmɒn əˈsɪt ɪk/ (Show IPA),
monocytoid, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for monocyte


a large phagocytic leucocyte with a spherical nucleus and clear cytoplasm
Derived Forms
monocytic (ˌmɒnəˈsɪtɪk) adjective
monocytoid, adjective
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
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monocyte in Medicine

monocyte mon·o·cyte (mŏn'ə-sīt')
A large, circulating, phagocytic white blood cell that has a single well-defined nucleus and very fine granulation in the cytoplasm and that constitutes from 3 to 8 percent of the white blood cells in humans.

mon'o·cyt'ic (-sĭt'ĭk) or mon'o·cy'toid' (-sī'toid') adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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monocyte in Science
Any of various large white blood cells that are formed in the bone marrow, circulate in the blood, and destroy pathogenic bacteria by phagocytosis. Monocytes develop into macrophages in various body tissues.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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