Noun
dapivirine (uncountable)
(pharmacology) An antiretroviral drug 4-{[4-(mesitylamino)-2-pyrimidinyl]amino}benzonitrile used to prevent HIV infection in women.
The Dapivirine Vaginal Ring is an option for the prevention of HIV infection that women can control and use discreetly in case they cannot use or do not have access to oral PrEP. Source: Internet