Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun nafcil
1 sense of nafcil
Sense 1
nafcillin, Nafcil -- (a penicillinase-resistant form of penicillin (trade name Nafcil) used (usually in the form of its sodium salt) to treat infections caused by penicillin-resistant strains of staphylococci)
=> penicillinase-resistant antibiotic -- (a form of penicillin that is not rendered inactive by penicillinase)