methacetin

[ meth-uh-seet-n ]
/ ˌmɛθ əˈsit n /

noun Pharmacology.

a white, crystalline, water-insoluble powder, C9H11NO2, used for relieving pain and reducing or preventing fever.
Also called acetanisidine.

Origin of methacetin

probably earlier than 1960–65; meth- + acet- + -in2