[ aw-toh-i-myoon ]
/ ˌɔ toʊ ɪˈmyun /

adjective Immunology.

of or relating to the immune response of an organism against any of its own tissues, cells, or cell components.

Origin of autoimmune

First recorded in 1950–55; auto-1 + immune

Related forms

au·to·im·mu·ni·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for autoimmune

British Dictionary definitions for autoimmune


/ (ˌɔːtəʊɪˈmjuːn) /


(of a disease) caused by the action of antibodies produced against substances normally present in the body

Derived Forms

autoimmunity, 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

Medicine definitions for autoimmune


[ ô′tō-ĭ-myōōn ]


Of or relating to an immune response by the body against one of its own tissues, cells, or molecules.

Related forms

au′to•im•muni•ty′to•im′mu•ni•zation (-ĭm′yə-nə-zāshən) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.