Meaning of naltrexone

nal•trex•one

Pronunciation: (nal-trek'sōn), [key]
— n. Pharm.
  1. a nonaddictive substance, CHNO, used in the treatment of heroin addiction and opiate overdose.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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