human immunodeficiency virus human head • human knee · · · Info · Definitions · Synonyms · Characters · · human immunodeficiency virus · · Text Common · · Latin · · Scripts 28 · · Length 11 · · Syllables Definitions · · · (noun) the virus that causes acquired immune deficiency syndrome (AIDS); it replicates in and kills the helper T cells. Synonyms: human immunodeficiency virus, HIV. · · Noun Definition 1 Synonyms · · · hiv · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 v latin small letter v U+0076 y latin small letter y U+0079