naltrexone
/nælˈtreksəʊn/noun
mass noun
- Medicine a synthetic drug, similar to morphine, which blocks opiate receptors in the nervous system and is used chiefly in the treatment of heroin addiction【医】纳曲酮。
词源
1970s: from a contraction of N-al(lylnoroxymorph)one （see NALOXONE）, with the insertion of the arbitrary element -trex-.