penicillinase
1. [ noun ] (biology,chemistry,biochemistry) enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic
Synonyms: beta-lactamase
Related terms: enzyme
Similar spelling:   penicillin
  penicillin_v
  penicillin_o
  penicillin_g
  penicillin_f
  penicillamine
  Penicillium
  pencil_case
  pencil_eraser