amoxicillin

noun

amox·​i·​cil·​lin ə-ˌmäk-sē-ˈsi-lən How to pronounce amoxicillin (audio)
: a semisynthetic penicillin C16H19N3O5S derived from ampicillin

Examples of amoxicillin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In late September, Walmart introduced same-day delivery through their pharmacy for many refrigerated drugs and medications, GLP-1s like Ozempic and Wegovy, in addition to drugs like insulin and children's amoxicillin, according to the company in a statement. Rey Covarrubias Jr, AZCentral.com, 7 Oct. 2025 The study’s authors showed that common antibiotics, such as amoxicillin and tetracycline, stuck to microplastics—and that, the older the microplastics were, the more readily the antibiotics attached to them. Marta Zaraska, Scientific American, 26 Aug. 2025 The bacteria were resistant to antibiotics, including amoxicillin–clavulanate, cefuroxime, and cefotaxime, according to the analysis. Mary Kekatos, ABC News, 13 Aug. 2025 In this method, patients take a low dose of amoxicillin and are observed for about 30 minutes to see whether any reaction occurs. Elizabeth W. Covington, The Conversation, 31 July 2025 See All Example Sentences for amoxicillin

Word History

Etymology

am(ino)+ ox- + (pen)icillin

First Known Use

1971, in the meaning defined above

Time Traveler
The first known use of amoxicillin was in 1971

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Cite this Entry

“Amoxicillin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amoxicillin. Accessed 21 Oct. 2025.

Medical Definition

amoxicillin

noun
amox·​i·​cil·​lin
variants or British amoxycillin
: a semisynthetic penicillin C16H19N3O5S derived from ampicillin see amoxil, augmentin, larotid, trimox
Last Updated: - Updated example sentences
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