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/ˌɛtɪˈɹæsɪtæm/ · noun
A nootropic racetam drug whose biologically active optical form is levetiracetam..
Use etiracetam when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Etiracetam means A nootropic racetam drug whose biologically active optical form is levetiracetam..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use etiracetam where its definition matches the intended context.
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