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heroin

noun
🔊/ˈherəʊɪn/
🔊/ˈherəʊɪn/
 [uncountable]
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  1. a powerful illegal drug made from morphine, that some people take for pleasure and can become addicted to海洛因
    • a heroin addict吸海洛因上瘾的人
    • a fatal heroin overdose致命的海洛因使用过量
    Topics Social issuesc1
    Oxford Collocations Dictionaryadjective
    • pure
    • cheap
    • street
    • …
    … of heroin
    • dose
    • gram
    • ounce
    • …
    verb + heroin
    • inject
    • shoot
    • smoke
    • …
    heroin + noun
    • possession
    • overdose
    • dealing
    • …
    See full entry
    Word Originlate 19th cent.: from German Heroin, from Latin heros ‘hero’ (because of its effects on the user's self-esteem).