metopon

noun
met·​o·​pon | \ ˈmet-ə-ˌpän How to pronounce metopon (audio) \

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).

WORD OF THE DAY

a device or gadget

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!