Simple Definition of HIV

from our Learner's Dictionary

HIV

noun

ˌeɪtʃˌaɪˈviː How to pronounce HIV (audio)
medicine : a virus that causes AIDS
The patient is HIV positive/negative.

Note: HIV is an abbreviation of "human immunodeficiency virus."

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“HIV.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/HIV. Accessed 24 Jun. 2026.

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Last Updated: - Updated example sentences

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