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Pronunciation varies by accent · noun
(medicine) A synthetic organoarsenic compound used in the treatment of syphilis..
Use neosalvarsan when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Neosalvarsan means (medicine) A synthetic organoarsenic compound used in the treatment of syphilis..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use neosalvarsan where its definition matches the intended context.
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