oxacillin

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ox·a·cil·lin

 (ŏk′sə-sĭl′ĭn)
n.
A semisynthetic penicillin, C19H19N3O5S, that is resistant to penicillinase, used in the form of its sodium salt primarily to treat infections caused by penicillinase-producing staphylococcus bacteria.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

oxacillin

(ˌɒksəˈsɪlɪn)
n
(Medicine) an antibiotic drug containing penicillin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.oxacillin - a form of penicillin resistant to penicillinase and effective against penicillin-resistant staphylococci
penicillinase-resistant antibiotic - a form of penicillin that is not rendered inactive by penicillinase
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References in periodicals archive ?
Filamentous forms are seen when gram-negative bacteria are exposed to low concentrations of [Beta]-lactam antibiotics.[1,2] At these concentrations, nuclear division takes place, but actual separation of bacterial cells is prevented due to inhibition of septation.[3] This patient was on oxacillin sodium therapy for a week before he became febrile.