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.
See Examples For:
Some important drugs, including penicillin, rely on small ring-shaped molecules that store large amounts of internal tension.
From Science Daily ● May 20, 2026
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
She broke open one of the tiny penicillin bottles she often bought when she shopped at a pharmacy, and tried giving my brothers a penicillin injection.
From "Tasting the Sky" by Ibtisam Barakat
Some bacteria have developed the ability to break down beta-lactam antibiotics like penicillins and cephalosporins, making them ineffective.
From Science Daily ● Feb. 1, 2024
The second were synthetic penicillins, modified in the lab to resist the bugs' enzymes.
From The Guardian ● Jan. 24, 2013
Sulfonamides ceased to be effective in treating it in the 1940s; penicillins and tetracyclines lost effectiveness in the 1970s and ’80s; and fluoroquinolones were taken off the treatment table in 2007.
From Scientific American ● Jan. 8, 2013
They are also closely related to the penicillins.
From BBC ● Jul. 11, 2011
To Dr. J. George Feinberg, a U.S. immunologist working at Britain's Beecham Research Laboratories, the killing power of penicillins made no sense.
From Time Magazine Archive
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!
