met·​o·​pon ˈmet-ə-ˌpän How to pronounce metopon (audio)
: a narcotic drug that is derived from morphine and is used in the form of its hydrochloride C18H21NO3·HCl to relieve pain

called also methyldihydromorphinone

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Cite this Entry

“Metopon.” Medical Dictionary, Merriam-Webster, Accessed 28 Feb. 2024.

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