oxacillin

== English == === Etymology === From (is)oxa(zole) +‎ -cillin (“6-aminopenicillanic acid derivative”). === Pronunciation === (Received Pronunciation) IPA(key): /ˌɒk.səˈsɪl.ɪn/ (General American) IPA(key): /ˌɑk.səˈsɪl.ɪn/ Rhymes: -ɪlɪn === Noun === oxacillin (countable and uncountable, plural oxacillins) (pharmacology) A narrow-spectrum beta-lactam antibiotic made by chemical modification of penicillin and administered in the form of its hydrated sodium salt C19H18N3NaO5S·H2O to treat infections caused by penicillin-resistant staphylococci. ==== Derived terms ==== === References === “oxacillin”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “oxacillin”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.