ondansetron

O1N1D2A1N1S1E1T1R1O1N1
UK/ɒnˈdæn.sə.tɹɒn/US/ɑnˈdæn.səˌtɹɑn/US/ɑnˈdɑn.səˌtɹɑn/US/oʊnˈdɑn.səˌtɹɑn/

noun

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.

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Meanings

nounondansetron (uncountable)
  1. uncountablemedicineA 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.

Origin

Probably from ond- (of unknown origin) + se(ro)t(onin) r(eceptor) an(tag)on(ist).

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Cite this entry
APA

ondansetron. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ondansetron

MLA

“ondansetron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ondansetron. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “ondansetron,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ondansetron.

Source: ondansetron on Wiktionary, CC BY-SA 4.0.