penicillin

word

/ˌpɛnəˈsɪɫən/
/pˈɛnɪsˌɪlɪn/

Definition

Penicillin is a type of antibiotic, a medicine used to treat infections caused by bacteria. It was the first antibiotic discovered and is still widely used today.

Usage & Nuances

'Penicillin' is always used as a non-count noun in English. It refers specifically to the antibiotic or its derivatives. Use 'allergic to penicillin' for reactions. Do not confuse with other antibiotics—'penicillin' is a specific class.

Example Sentences

The doctor gave me penicillin for my infection.

basic

Some people are allergic to penicillin.

basic

Penicillin was the first antibiotic discovered.

basic

If you’re allergic to penicillin, let your doctor know before treatment.

natural

After taking penicillin, my sore throat got much better.

natural

Alexander Fleming discovered penicillin by accident in 1928.

natural