methicillin
meth·i·cil·lin
noun \ˌme-thə-ˈsi-lən\Definition of METHICILLIN
: a semisynthetic penicillin C17H19N2O6NaS used especially in the form of its sodium salt against beta-lactamase-producing staphylococci
Origin of METHICILLIN
meth- + penicillin
First Known Use: 1961
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