Search Result for "autoimmunity": 
Wordnet 3.0

NOUN (1)

1. production of antibodies against the tissues of your own body; produces autoimmune disease or hypersensitivity reactions; 



WordNet (r) 3.0 (2006):

autoimmunity
    n 1: production of antibodies against the tissues of your own
         body; produces autoimmune disease or hypersensitivity
         reactions