• synonyms


noun Cell Biology.
  1. a circulating white blood cell having prominent granules in the cytoplasm and a nucleus of two or more lobes.
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Origin of granulocyte

First recorded in 1905–10; granule + -o- + -cyte
Also called polymorph.
Related formsgran·u·lo·cyt·ic [gran-yuh-loh-sit-ik] /ˌgræn yə loʊˈsɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for granulocyte


  1. any of a group of phagocytic leucocytes having cytoplasmic granules that take up various dyesSee also eosinophil, neutrophil (def. 1), basophil (def. 2)
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Derived Formsgranulocytic (ˌɡrænjʊləˈsɪtɪk), 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

granulocyte in Medicine


  1. Any of a group of white blood cells having granules in the cytoplasm.
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Related formsgran′u•lo•cytic (-sĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

granulocyte in Science


  1. Any of various white blood cells that contain granular material in the cytoplasm and are immunologically active, especially in phagocytosis. Granulocytes are the most numerous of the white blood cells in humans.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.