amox·​i·​cil·​lin | \ ə-ˌmäk-sē-ˈsi-lən How to pronounce amoxicillin (audio) \

Definition of amoxicillin

: a semisynthetic penicillin C16H19N3O5S derived from ampicillin

Examples of amoxicillin in a Sentence

Recent Examples on the Web

One conventional sample also contained levels of amoxicillin that were slightly higher than the FDA tolerance levels. Rebekah Tuchscherer, USA TODAY, "Study finds residue of pesticides, antibiotics and growth hormone in non-organic milk," 26 June 2019 Méline runs a shop with her husband, selling everything from rice and garlic to ramen and amoxicillin. Paul Tullis, National Geographic, "How the sapphire trade is driving lemurs toward extinction," 6 Mar. 2019 He was released less than two hours later, the timeline shows, with a prescription for the antibiotic amoxicillin and a second painkiller, Ibuprofen. Dan Frosch, WSJ, "Homeland Security Steps Up Medical Services for Migrants After Two Children Die," 26 Dec. 2018 He was prescribed amoxicillin and ibuprofen, and taken with his father to a holding facility at a highway checkpoint. Nomaan Merchant, The Seattle Times, "Medical checks ordered after 2nd child immigrant dies," 26 Dec. 2018 Another example: when a child takes amoxicillin for an ear infection and has an upset stomach or superficial pink skin rash. Ronald S. Litman,, "Should I worry about my child being allergic to anesthesia?," 9 July 2018 Antibiotics commonly used for oral treatment include doxycycline, amoxicillin, or cefuroxime axetil. Kara Driscoll, ajc, "Lyme disease: 7 questions answered about tick-borne infections," 7 May 2018 The bacteria involved are resistant to not only methicillin but also amoxicillin, penicillin and oxycillin. Cathie Anderson, sacbee, "Influenza B surging as overall flu cases fall — and it's deadlier in kids, experts say | The Sacramento Bee," 19 Mar. 2018 Moxifish, for instance, contains amoxicillin, a type of penicillin. Maya Wei-haas, Smithsonian, "This Is Why Taking Fish Medicine Is Truly a Bad Idea," 16 Aug. 2017

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

See More

First Known Use of amoxicillin

1971, in the meaning defined above

History and Etymology for amoxicillin

amino + ox- + penicillin

Keep scrolling for more

Learn More about amoxicillin

Dictionary Entries near amoxicillin








Statistics for amoxicillin

Last Updated

3 Jul 2019

Look-up Popularity

Time Traveler for amoxicillin

The first known use of amoxicillin was in 1971

See more words from the same year

Keep scrolling for more

More Definitions for amoxicillin


variants: or British amoxycillin \ ə-​ˌmäk-​sē-​ˈsil-​ən How to pronounce amoxycillin (audio) \

Medical Definition of amoxicillin

: a semisynthetic penicillin C16H19N3O5S derived from ampicillin — see amoxil, augmentin, larotid, trimox

Comments on amoxicillin

What made you want to look up amoxicillin? Please tell us where you read or heard it (including the quote, if possible).


to form ideas or theories about something

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!