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

He has been raising concerns about production of everything from bombs to rare earths to penicillin, saying manufacturing is lagging behind and an investment plan is needed.

From The Wall Street Journal • Dec. 8, 2025

The Fleming Initiative is named after Alexander Fleming, who discovered penicillin in 1928 and started the antibiotic age.

From BBC • Nov. 18, 2025

The doctor asked a nurse to bring some penicillin.

From "Educated" by Tara Westover