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/ɒnˈdæn.sə.tɹɒn/ · noun
(pharmacology) A carbazole derivative (trademark Zofran), C₁₈H₁₉N₃O, that is a serotonin receptor antagonist administered by injection and by mouth to relieve nausea and vomiting, especially during cancer therapy..
Use ondansetron when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ondansetron means (pharmacology) A carbazole derivative (trademark Zofran), C₁₈H₁₉N₃O, that is a serotonin receptor antagonist administered by injection and by mouth to relieve nausea and vomiting, especially during cancer therapy..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use ondansetron where its definition matches the intended context.
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