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.
Like amoxicillin, heparin is one of those foundational medications that make modern medicine possible. Thomas J. Bollyky, Foreign Affairs, 22 July 2025 The facility, built in the 1970s, used to produce enough amoxicillin for the whole country at the time. John Liu, CNN Money, 3 June 2025 The plant now supplies about 5 percent of America’s amoxicillin. Rebecca Robbins, New York Times, 4 Apr. 2025 For example, nearly all the world’s sites producing the active ingredient of amoxicillin, a common antibiotic, are in China, India or Europe, according to Clarivate. Rebecca Robbins, New York Times, 4 Apr. 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 31 Jul. 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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