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antibiotics

  • plural
    of antibiotic.
    antibiotic
    noun
    any of a large group of chemical substances, as penicillin or streptomycin, produced by various microorganisms and fungi, having the capacity in dilute solutions to inhibit the growth of or to destroy bacteria and other microorganisms, used chiefly in the treatment of infectious diseases.

Example Sentences

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Some bacteria produce beta-lactamases that disable antibiotics such as penicillin by breaking open a critical part of their chemical structure, known as the beta-lactam ring.

From Science Daily ● Oct. 16, 2026

Chronic UTIs are infections where symptoms do not go away, and do not clear with a short course of antibiotics.

From BBC ● Oct. 13, 2026

For more frequent breakouts, they might prescribe higher-strength regimens such as antibiotics or medicines with tretinoin.

From Los Angeles Times ● Oct. 13, 2026

"Obviously it can be a very severe infection," he said, but he warned against taking a course of antibiotics without known exposure.

From Barron's ● Oct. 8, 2026

Some mistook cervical infections for cancer and removed a woman’s entire reproductive tract when all she needed was antibiotics.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot