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Showing results for penicillin. Search instead for penicillia.
Definitions

penicillin

[pen-uh-sil-in] / ˌpɛn əˈsɪl ɪn /


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.

Some important drugs, including penicillin, rely on small ring-shaped molecules that store large amounts of internal tension.

From Science Daily • May 20, 2026

This reflected portfolio changes, a poor season for sales of cough-and-cold products in Europe, and a hit from lower prices for a key penicillin ingredient, he adds.

From The Wall Street Journal • Apr. 29, 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 doctor asked a nurse to bring some penicillin.

From "Educated" by Tara Westover




Vocabulary lists containing penicillin


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