noun Date: 1986 any of various strains, serotypes, or clades of ~-1 and ~-2 that infect and destroy helper T cells of the immune system causing the marked reduction in their numbers that is diagnostic of AIDS
HIV
Meaning of HIV in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012