Mefoxin definitions WordNet (r) 3.0 (2005) n 1: one of ... substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity [syn: cephalosporin, Mefoxin]
... substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity [syn: cephalosporin, Mefoxin] Merriam Webster's noun Etymology: New Latin Cephalosporium, genus of ...