A serodiscordant relationship is an intimate romantic relationship between an HIV positive person and an HIV negative person.
The term serodiscordant is a portmanteau of seroconversion, the medical term for HIV positive, and discordant, meaning at odds.
There are several synonyms for serodiscordant relationship, including serodifferent relationship, positive-negative relationship, mixed status relationship, mixed Sero-status relationship, magnetic relationship, inter-viral relationship, and sero-divergent relationship.