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dihydromorphinone

American  
[dahy-hahy-droh-mawr-fuh-nohn] / daɪˌhaɪ droʊˈmɔr fəˌnoʊn /

noun

Pharmacology.
  1. a narcotic compound, C 17 H 19 O 3 N, prepared from morphine and used chiefly as an analgesic.


Etymology

Origin of dihydromorphinone

di- 1 ( def. ) + hydro- 2 ( def. ) + morphine + -one