Medical Definition of clavulanic acid
: a beta-lactam antibiotic C8H9NO5 produced by a bacterium of the genus Streptomyces (S. clavuligerus) that is a beta-lactamase inhibitor and is usually used in the form of its clavulanate salt of potassium especially in combination with amoxicillin—see augmentin
Seen and Heard
What made you want to look up clavulanic acid? Please tell us where you read or heard it (including the quote, if possible).