lactamaseWiktionary 原文英美构词拆解lactamlactam词干ase-ase后缀-aseUsed to form the names of enzymes.词源说明From lactam + -ase.释义名词noun1(biochemistry) Any enzyme that catalyzes the opening of a lactam ring, especially one that deactivates a lactam-containing antibiotic同族词派生词 2beta-lactamase·β-lactamase