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ampicillin
[ am-puh-sil-in ]
/ ˌæm pəˈsɪl ɪn /
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noun Pharmacology.
a broad-spectrum semisynthetic penicillin, C16H19N3O4S, effective against certain susceptible Gram-positive and Gram-negative bacteria.
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Origin of ampicillin
First recorded in 1965–70; probably am(inobenzyl)p(en)icillin, an alternate chemical name
Words nearby ampicillin
amphoteric, amphotericin, amphotericin B, amphoterism, amphotropic virus, ampicillin, ample, amplexicaul, amplexifoliate, amplexus, ampliate
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
British Dictionary definitions for ampicillin
ampicillin
/ (ˌæmpɪˈsɪlɪn) /
noun
a semisynthetic penicillin used to treat various infections
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for ampicillin
ampicillin
[ ăm′pÄ-sÄl′Än ]
n.
A semisynthetic penicillin having a broader antibacterial spectrum of action than that of penicillin G. It is effective against gram-negative and gram-positive bacteria and used to treat gonorrhea and infections of the intestinal, urinary, and respiratory tracts.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for ampicillin
ampicillin
[ ăm′pÄ-sÄl′Än ]
An antibiotic derived from penicillin that has a broad antibacterial spectrum of action. It is effective against gram-negative and gram-positive bacteria and is used primarily to treat gonorrhea and infections of the respiratory, urinary, and intestinal tracts.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.