Definition of lentivirus
: any of a genus (Lentivirus) of retroviruses (as the HIVs and SIV) that cause slowly progressive often fatal human and animal diseases (as AIDS)
Origin of lentivirus
New Latin, from Latin lentus slow + New Latin virus
First Known Use: 1979
Medical Definition of lentivirus
1 capitalized : a genus of single-stranded RNA viruses (as HIV and SIV) of the family Retroviridae that cause progressive often fatal human and animal diseases (as AIDS, equine infectious anemia, and ovine progressive pneumonia)
2: any virus of the genus Lentivirus
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Medical Dictionary: Definition of "lentivirus"
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