oseltamivir

O1S1E1L1T1A1M3I1V4I1R1
US/ˌoʊ.sɛlˈtæm.ɪˌvɪɹ/

noun

An antiviral drug that is taken orally in the form of its phosphate C₁₆H₂₈N₂O₄·H₃PO₄ and is a neuraminidase inhibitor used in the treatment and prevention of influenza. It is a derivative of shikimic acid, and is marketed as Tamiflu.

UncommonScrabble 16

Meanings

nounoseltamivir (uncountable)
  1. uncountablemedicineAn antiviral drug that is taken orally in the form of its phosphate C₁₆H₂₈N₂O₄·H₃PO₄ and is a neuraminidase inhibitor used in the treatment and prevention of influenza. It is a derivative of shikimic acid, and is marketed as Tamiflu.

Origin

From oselt- (of unknown origin) + -amivir (“neuraminidase inhibitor”).

Full word history & related roots →

Translations

Chinese Mandarin 奧司他韋 /奥司他韦
  • 奧司他韋 /奥司他韦 (àosītāwéi)antiviral drug
Cite this entry
APA

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

MLA

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

Chicago

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

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