beta (beta)-lactamase

(redirected from beta b-lactamase)

be·ta (β)-lac·ta·mase

(bā'tă-lak'tă-mās)
An enzyme that brings about the hydrolysis of a β-lactam (such as penicillin to penicilloic acid); found in most staphylococcus strains that are naturally resistant to penicillin.