Meaning of “heroin” in the English Dictionary

british dictionary

"heroin" in British English

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heroinnoun [ U ]

uk /ˈher.əʊ.ɪn/ us /ˈher.oʊ.ɪn/

(Definition of “heroin” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"heroin" in American English

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heroinnoun [ U ]

us /ˈher·oʊ·ɪn/

(Definition of “heroin” from the Cambridge Academic Content Dictionary © Cambridge University Press)