ondansetron

English

Chemical structure of ondansetron

Etymology

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

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Pronunciation

• (Received Pronunciation) IPA^(key): /ɒnˈdæn.sə.tɹɒn/
• (General American) IPA^(key): /ɑnˈdæn.səˌtɹɑn/, /ɑnˈdɑn.səˌtɹɑn/, /oʊnˈdɑn.səˌtɹɑn/

Noun

ondansetron (uncountable)

1. (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.

References

• “ondansetron”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “ondansetron”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.