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Noun: immunodeficiency  ,i-myoo,now-di'fi-shun(t)-see
  1. Immunological disorder in which some part of the body's immune system is inadequate and resistance to infectious diseases is reduced
    "ADA deficiency can lead to one form of severe combined immunodeficiency disease"

Derived forms: immunodeficiencies

Type of: immunological disorder

Antonym: immunocompetence

Encyclopedia: Immunodeficiency