Dictionary

naltrexone

noun nal·trex·one \nal-ˈtrek-ˌsōn\

Definition of NALTREXONE

:  a synthetic opiate antagonist C20H23NO4 administered in the form of its hydrochloride

Origin of NALTREXONE

N-allyl + trex- (as in methotrexate) + -one
First Known Use: 1973

naltrexone

noun nal·trex·one \nal-ˈtrek-ˌsōn\   (Medical Dictionary)

Medical Definition of NALTREXONE

:  a synthetic opiate antagonist administered especially in the form of its hydrochloride C20H23NO4·HCl to maintain a drug-free state in detoxified opiate-dependent patients or to maintain abstinence in alcohol-dependent patients

Browse

Next Word in the Dictionary: namPrevious Word in the Dictionary: naloxoneAll Words Near: naltrexone
April 24, 2015
tyro Hear it
a beginner in learning
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears