discordant couple
n.— «In the discordant couple phenomenon, one partner is HIV-positive, while the other remains negative, even as they continue to live together as man and wife or simply maintain a long-term relations.» —“Aids Spread Relief” by Big Issue Writer East African Standard (Nairobi, Kenya) July 26, 2004. (source: Double-Tongued Dictionary)
Further reading
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...
Floordrobe is the new word for an old habit: piling your clothes on the floor instead of putting them away. The Oxford English Dictionary recently added an entry for it, defining floordrobe as “an untidy heap of discarded clothing left on the floor...