heroin

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a narcotic that is considered a hard drug;
a highly addictive morphine derivative;
intravenous injection provides the fastest and most intense rush
• Syn:
diacetylmorphine
• Hypernyms:
opiate, hard drug
• Hyponyms:
big H, hell dust, nose drops, smack, thunder,
skag, scag