Definition of metopon in English:

metopon

noun

Pharmacology
  • A narcotic analgesic derived from morphine, usually administered as the hydrochloride; dihydromethylmorphinone, C₁₈H₂₁NO₃.

Origin

1940s; earliest use found in Journal of the American Medical Association. Perhaps from met- + -o (in hydro-) + -p- + -on (in -one).

Pronunciation

metopon

/mɪˈtəʊpɒn/