penicillin

IPA: pɛnʌsˈɪɫʌn

(pharmacology) 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.
(mycology) A blue mold of the genus Penicillium that produces penicillin.

Examples of "penicillin" in Sentences

Penicillin was the first antibiotic discovered by Alexander Fleming in 1928
Doctors often prescribe penicillin to treat infections caused by bacteria
Some people may experience allergic reactions to penicillin, such as hives or difficulty breathing
Penicillin is used to combat a wide range of bacterial infections, from strep throat to pneumonia
Overuse of penicillin can lead to antibiotic resistance, making it less effective in treating certain infections