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Definitions

penicillin

[pen-uh-sil-in] / ˌpɛn əˈsɪl ɪn /


Example Sentences

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Lifeline follows the story of Sir Alexander Fleming's discovery of penicillin at St Mary's Hospital in Paddington in 1928, weaving his historical journey with a contemporary narrative centred on a junior doctor in Edinburgh.

From BBC • Apr. 5, 2026

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 U.K. has long been a powerhouse in drug discovery, from the 1928 penicillin breakthrough to the landmark Oxford-AstraZeneca Covid-19 vaccine in 2020.

From The Wall Street Journal • Dec. 1, 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