metopon
noun
\
Medical Definition of metopon
: 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
Comments on metopon
What made you want to look up metopon? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Late Autumn 2018 Words of the Day Quiz
-
- Which is a synonym of yahoo?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Late Autumn 2018 Words of the Day Quiz
Take the quiz -
Word Puzzles Round 2
More word puzzles to rack your brain
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
Dictionary Devil
The dictionary has been scrambled—can you put it back together?
Play the game
Share metopon
Resources for metopon