|  | 
Definition of Principen
1. Noun. Semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin). 
Exact synonyms: Ampicillin, Polycillin, Sk-ampicillin
Generic synonyms: Penicillin
Language type: Trade Name, Trademark, Trade Name, Trademark, Trade Name, Trademark
Generic synonyms: Penicillin
Language type: Trade Name, Trademark, Trade Name, Trademark, Trade Name, Trademark



