penicillin
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Alexander Fleming discovered penicillin after mould accidentally contaminated a laboratory dish and killed surrounding bacteria.
From Science Daily • Mar. 14, 2026
Common problems that could have been treated with an office visit and a few penicillin pills will blossom into heart-valve infections and organ failure.
From MarketWatch • Jan. 26, 2026
The Fleming Initiative is named after Alexander Fleming, who discovered penicillin in 1928 and started the antibiotic age.
From BBC • Nov. 18, 2025
The modern world has been transformed by inventions from the electric motor to penicillin.
From The Wall Street Journal • Nov. 14, 2025
Inside the medicine cabinet, three Extra Strength Tylenol, a box of Imodium, some Midol, and an old bottle of penicillin, which I’m mildly allergic to.
From "Anthem of a Reluctant Prophet" by Joanne Proulx
![]()
Vocabulary lists containing penicillin
List 10
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
List 10
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!