The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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 fungus growing on the hedgehog was releasing penicillins," explained Prof Holmes.
From BBC ● Jan. 5, 2022
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
This procedure may well produce animal bacteria that transmit drug resistance to bacteria that infect humans; indeed, such new strains may be resistant to all penicillins and tetracyclines.
From Time Magazine Archive
