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/ˌmɛt.ɪˈsɪl.ɪn/ · noun
(pharmacology) A semisynthetic form of penicillin C₁₇H₂₀N₂O₆S used especially in the form of its sodium salt against staphylococci which produce penicillinase..
Use meticillin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Meticillin means (pharmacology) A semisynthetic form of penicillin C₁₇H₂₀N₂O₆S used especially in the form of its sodium salt against staphylococci which produce penicillinase..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use meticillin where its definition matches the intended context.
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