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Immune; immunity: immunoassay.

[From immune.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


or before a vowel


combining form
indicating immunity or immune: immunology.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



1. protected from a disease or the like, as by inoculation.
2. of or pertaining to the production of antibodies or lymphocytes that can react with a specific antigen: immune reaction.
3. exempt; protected: immune from punishment.
4. not responsive or susceptible: immune to new ideas.
5. an immune person.
[1400–50; late Middle English < Latin immūnis exempt =im- im-2 + -mūnis; see common]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Our specialist immuno- oncology and multiplex histology capabilities are designed to enable our clients to make decisions earlier in the drug development process and potentially inform on clinical indications.