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[op-suh-nahyz] /ˈɒp səˌnaɪz/
verb (used with object), opsonized, opsonizing. Immunology.
to increase the susceptibility of (bacteria) to ingestion by phagocytes.
Also, especially British, opsonise.
Origin of opsonize
Related forms
opsonization, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for opsonization


(transitive) to subject (bacteria) to the action of opsonins
Derived Forms
opsonization, opsonisation, 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
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opsonization in Medicine

opsonization op·so·ni·za·tion (ŏp'sə-nĭ-zā'shən)
The process by which bacteria are altered by opsonins so as to become more readily and more efficiently engulfed by phagocytes.

opsonize op·so·nize (ŏp'sə-nīz')
v. op·so·nized, op·so·niz·ing, op·so·niz·es
To make bacteria or other cells more susceptible to the action of phagocytes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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