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.
Testing revealed the most common species was penicillium chrysogenum, famous because it is used to produce the penicillin antibiotic but it can cause allergic reactions or infections in people with compromised immune systems.
From BBC • Mar. 19, 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
That hasn’t stopped the dark-haired, dark-eyed Elordi from becoming a goth lord for the modern moment, albeit one now taking his brooding characters into eras before hot showers and penicillin.
From The Wall Street Journal • Sep. 30, 2025
“I can give you penicillin for the strep, but there’s not much I can do for the mono. You’ll have to wait it out. Still, once we’ve cleared out the strep, you should feel better.”
From "Educated" by Tara Westover
Vocabulary lists containing penicillin
List 10
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