fentanil

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A form of fentanyl — A synthetic opioid narcotic analgesic, C₂₂H₂₈N₂O, with pharmacological action similar to morphine that is administered transdermally as a skin patch and in the form of its citrate, C₂₂H₂₈N₂O·C₆H₈O₇, is administered orally or parenterally (as by intravenous or epidural injection); N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide.

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Meanings

nounfentanil (uncountable)
  1. alternativeuncountableAlternative spelling of fentanyl; which is the international non-proprietary name.

Origin

From -fentanil, from fentanyl.

Full word history & related roots →
Cite this entry
APA

fentanil. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/fentanil

MLA

“fentanil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fentanil. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “fentanil,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/fentanil.

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