metopon

Definitions


[], (Noun)

Definitions:
- A narcotic analgesic derived from morphine, usually administered as the hydrochloride; dihydromethylmorphinone, C₁₈ H₂₁ NO₃.


Phrases:

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




definition by Oxford Dictionaries