Definition of ondansetron in English:

ondansetron

noun

Pharmacology
  • A carbazole derivative, C₁₈H₁₉N₃O, that is a serotonin receptor antagonist administered by injection and by mouth to relieve nausea and vomiting, especially during cancer therapy.

Origin

1980s; earliest use found in British Approved Names 1986. Origin unknown.

Pronunciation

ondansetron

/ɒnˈdansətrɒn/