heroinnoun [U]uk /ˈher.əʊ.ɪn/ us /-oʊ-/
- 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.