Human immunodeficiency virus and Retrovirus

Human immunodeficiency virus noun - The virus that causes acquired immune deficiency syndrome (AIDS); it replicates in and kills the helper T cells.

Retrovirus and human immunodeficiency virus are semantically related. In some cases you can use "Retrovirus" instead a noun phrase "Human immunodeficiency virus".

Retrovirus noun - Any of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA); the virus transcribes its RNA into a cDNA provirus that is then incorporated into the host cell.

Human immunodeficiency virus and retrovirus are semantically related. Sometimes you can replace phrase "Human immunodeficiency virus" with "Retrovirus", this terms are similar.