VariousWords beta
Definitions:
Noun
penicillin
Definition: any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases
Definition: Any of a group of narrow-spectrum antibiotics obtained from Penicillium molds or synthesized, that have a beta-lactam structure and are active against gram-positive bacteria and used in the treatment of various infections and diseases.