Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun penicillinase

1 sense of penicillinase

Sense 1
penicillinase, beta-lactamase -- (enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic)
       => enzyme -- (any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions)