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AIDS

AIDS [ aydz ]


noun 
Definition:
 
immune system disease: a disease of the immune system caused by infection with the retrovirus HIV, which destroys some types of white blood cells and is transmitted through blood or bodily secretions such as semen. Patients lose the ability to fight infections, often dying from secondary causes such as pneumonia or Kaposi's sarcoma.

[Late 20th century. Acronym <Acquired Immune Deficiency Syndrome]
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