naltrexone

[ nal-trek-sohn ]
/ nælˈtrɛk soʊn /

noun Pharmacology.

a nonaddictive substance, C20H23NO4, used in the treatment of heroin addiction and opiate overdose.

QUIZZES

WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM

Think you know your presidents? Take this quiz and see if you can match the style, wit, and ideology of these memorable lines to the right POTUS.
Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”

Origin of naltrexone

First recorded in 1970–75; by rearrangement of parts of its chemical name
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for naltrexone

British Dictionary definitions for naltrexone

naltrexone
/ (nælˈtrɛksəʊn) /

noun

a narcotic antagonist, similar to morphine, used chiefly in the treatment of heroin addiction

Word Origin for naltrexone

C20: from N-al (lylnor) ox (ymorph) one, + the arbitrary insertion of -trex-
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for naltrexone

naltrexone
[ năl-trĕksōn ]

n.

An endorphin and narcotic antagonist. It is devoid of pharmacologic action when administered in the absence of narcotics.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.