double-red blood
n.— «Students can also donate red blood cells only. The process is more intensive and involves taking blood from a donor, extracting the red blood cells and then putting the rest of the blood back into the donor. This process is called double-red blood.» —“Hoxworth takes blood from students” by Thomas Demeropolis in University of Cincinnati News Record (Cincinatti, Ohio) Oct. 19, 2005. (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...