Question

penicillin definition​

Answer 1

Explanation:

Penicillin is one of any of a group of antibiotics that kills bacteria and is used to treat many types of infections, including pneumonia and gonorrhea. Penicillin is used to treat and prevent infections caused by bacteria. One of the most powerful antibiotics, penicillin, is used to treat pneumonia.

Answer 2

an antibiotic or group of antibiotics produced naturally by certain blue moulds, now usually prepared synthetically. Penicillin was discovered in 1928 and during the Second World War became the first antibiotic to be used by doctors.