Definition of AIDS noun from the Oxford Advanced American Dictionary

 

AIDS

 noun
noun
NAmE//eɪdz//
 
[uncountable]
 
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the abbreviation forAcquired Immune Deficiency Syndrome(a very serious illness that attacks the body's ability to resist infection) AIDS research/education/victims He developed full-blown AIDS five years after contracting HIV.
See the Oxford Advanced Learner's Dictionary entry: AIDS