quinhydrone

[kwin-hahy-drohn, kwin-hahy-drohn]

noun Chemistry.

a dark green, crystalline, slightly water-soluble solid, C12H10O4, used in solution, together with a platinum wire, as an electrode (quinhy·drone elec·trode).

Origin of quinhydrone

First recorded in 1855–60; quin(ine) + hydr(oquin)one