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

Examples of nalidixic acid in a Sentence

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 examples are programmatically compiled from various online sources to illustrate current usage of the word 'nalidixic acid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 22 Jul. 2024.

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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