Meaning of “heroin” in the English Dictionary

american-english dictionary

"heroin" in British English

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heroinnoun [ U ]

uk /ˈher.əʊ.ɪn/ us /ˈher.oʊ.ɪn/

a powerful illegal drug:

Heroin is obtained from morphine and is extremely addictive.
a heroin addict
She died from a heroin overdose.

More examples

  • 23 people were arrested and large quantities of heroin were seized in a dawn raid .
  • The girls were duped by drug smugglers into carrying heroin for them.
  • He was arrested at the airport with a kilo of heroin secreted in his clothing.
  • Customs officers at Felixstowe discovered heroin with a street value of £6 million.
  • By the age of 14 he was addicted to heroin.

(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)