ampicillin
[ am-puh-sil-in ]
/ ˌæm pəˈsɪl ɪn /
noun Pharmacology.
a broad-spectrum semisynthetic penicillin, C16H19N3O4S, effective against certain susceptible Gram-positive and Gram-negative bacteria.
RELATED WORDS
Nearby words
amphoteric, amphotericin, amphotericin b, amphoterism, amphotropic virus, ampicillin, ample, amplexicaul, amplexifoliate, amplexus, ampliate
Origin of ampicillin
First recorded in 1965–70; probably am(inobenzyl)p(en)icillin, an alternate chemical name
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ampicillin
ampicillin
/ (ˌæmpɪˈsɪlɪn) /
noun
a semisynthetic penicillin used to treat various infections
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medicine definitions for ampicillin
ampicillin
[ ăm′pĭ-sĭl′ĭn ]
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.
Science definitions for ampicillin
ampicillin
[ ăm′pĭ-sĭl′ĭn ]
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.