The story
From pyr(rolyl) + vin(yl) + -ium (“quaternary ammonium compound”).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: An anthelmintic used against pinworms. Full definition →
From pyr(rolyl) + vin(yl) + -ium (“quaternary ammonium compound”).
Etymology from Wiktionary, CC BY-SA 4.0.