Longman Dictionary of Contemporary English homepage

AIDS

 noun
     
Related topics: Illness and Disability
AIDS also Aids British English [uncountable]
MI
Acquired Immune Deficiency Syndrome
a very serious disease that stops your body from defending itself against infections, and usually causes death:
the AIDS virus
Aids sufferers
full-blown AIDS (=AIDS at its most advanced stage)
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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