oxacillin
UK/ˌɒk.səˈsɪl.ɪn/US/ˌɑk.səˈsɪl.ɪn/
oxacillin noun: 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.

Noun
oxacillin (countable and uncountable, plural oxacillins)
- 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.
Forms of oxacillin
| plural | oxacillins |
|---|
Origin of oxacillin
From (is)oxa(zole) + -cillin (“6-aminopenicillanic acid derivative”).
Words formed from oxacillin
Words that rhyme with oxacillin
- penicillin
- -cillin
- amoxicillin
- ampicillin
- benzylpenicillin
- carbenicillin
- carindacillin
- cloxacillin
- dicloxacillin
- methicillin
- meticillin
- nafcillin
4 more rhymesFewer rhymes
Questions about oxacillin
- What does oxacillin mean?
- Oxacillin means 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.
- What part of speech is oxacillin?
- Oxacillin is a noun.
- How do you pronounce oxacillin?
- Oxacillin is pronounced /ˌɒk.səˈsɪl.ɪn/ (UK).
- What is the plural of oxacillin?
- The plural of oxacillin is oxacillins.
Words near oxacillin in the dictionary
Source and license
Adapted from Wiktionary: oxacillin (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “oxacillin.” Word.ws, https://word.ws/oxacillin. Based on Wiktionary, CC BY-SA 4.0.
