autoimmune disorder is a noun meaning "any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues". It carries one recorded sense.
any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues
Definitions, synonyms and semantic relations for autoimmune disorder come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.