nalidixic acid

noun

na·​li·​dix·​ic acid ˌnā-lə-ˈdik-sik- How to pronounce nalidixic acid (audio)
: an antibacterial agent C12H12N2O3 that is used especially in the treatment of genitourinary infections

Example Sentences

Recent Examples on the Web All of them were resistant to at least seven antibiotics (azithromycin, ciprofloxacin, clindamycin, erythromycin, nalidixic acid, telithromycin, and tetracycline). Beth Mole, Ars Technica, 21 Sep. 2018 The outbreak strain of C. jejuni could withstand three antibiotics: tetracycline, nalidixic acid, and ciprofloxacin. Beth Mole, Ars Technica, 11 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nalidixic acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

perhaps from naphthyridine (C8H6N2 — from naphth- + pyridine) + carboxylic acid

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of nalidixic acid was in 1962

Dictionary Entries Near nalidixic acid

Cite this Entry

“Nalidixic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nalidixic%20acid. Accessed 7 Feb. 2023.

Medical Definition

nalidixic acid

noun
na·​li·​dix·​ic acid ˌnā-lə-ˌdik-sik- How to pronounce nalidixic acid (audio)
: an antibacterial agent C12H12N2O3 that is used especially in the treatment of genitourinary infections see neggram

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