Checking saved dictionary data and trusted language sources. This will stop automatically if a source does not respond.
/ˌɒk.səˈsɪl.ɪn/ · noun
(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..
Use oxacillin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Oxacillin means (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..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use oxacillin where its definition matches the intended context.
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.