ampicillin
Americannoun
noun
Etymology
Origin of ampicillin
First recorded in 1965–70; probably am(inobenzyl)p(en)icillin, an alternate chemical name
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The researchers examined how resistant each strain was to 16 commonly used antibiotics, including ampicillin combined with sulbactam, meropenem, tetracycline, and vancomycin.
From Science Daily ● Jun. 23, 2026
In some samples, up to 20% of the E. coli were resistant to the frontline antibiotic drug ampicillin.
From Salon ● Jul. 19, 2023
The vector is transformed into a viral host that is ampicillin sensitive and the disrupted lacZ gene show inability to synthesize X-gal.
From Textbooks ● Jun. 9, 2022
Other drugs that the pathogen has overcome in the past include ampicillin, streptomycin and tetracycline.
From Scientific American ● May 18, 2015
The list includes drugs like penicillin and ampicillin, which are also prescribed for people.
From New York Times ● Jan. 26, 2011
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
