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ampicillin

[am-puh-sil-in]
SEE MORE SYNONYMS FOR ampicillin ON THESAURUS.COM

noun Pharmacology.

a broad-spectrum semisynthetic penicillin, C16H19N3O4S, effective against certain susceptible Gram-positive and Gram-negative bacteria.

Origin of ampicillin

First recorded in 1965–70; probably am(inobenzyl)p(en)icillin, an alternate chemical name
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for ampicillin

penicillin, amoxicillin, tetracycline, erythromycin, streptomycin, ampicillin, sulfonamide
British Dictionary definitions for ampicillin

ampicillin

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
ampicillin in Medicine

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.
ampicillin in Science

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.