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See more synonyms for opsonize on Thesaurus.com
verb (used with object), op·so·nized, op·so·niz·ing. Immunology.
  1. to increase the susceptibility of (bacteria) to ingestion by phagocytes.
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Also especially British, op·so·nise.

Origin of opsonize

Related formsop·so·ni·za·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for opsonize


opsonise opsonify (ɒpˈsɒnɪˌfaɪ)

  1. (tr) to subject (bacteria) to the action of opsonins
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Derived Formsopsonization, opsonisation or opsonification, noun
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

opsonize in Medicine


  1. To make bacteria or other cells more susceptible to the action of phagocytes.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.