beta (beta)-lactamase inhibitors

be·ta (β)-lac·tam·ase in·hib·i·tors

(bā'tă-lak'tă-mās in-hib'i-tŏrz) Drugs such as clavulanic acid that are used to inhibit bacterial β-lactamases; often used with a penicillin or cephalosporin to overcome drug resistance.