penicillin G benzathine

penicillin G ben·za·thine

noun \-ˈben-zə-ˌthēn, -thən\

Definition of PENICILLIN G BENZATHINE

: an aqueous suspension of a relatively insoluble salt of penicillin G that provides a low but persistent serum level of penicillin G following intramuscular injection—called also benzathine penicillin G