noun🔗ShareヘロインA powerful and addictive drug derived from opium producing intense euphoria classed as an illegal narcotic in most of the world."The dealer offered him heroin, but he refused, knowing it was a dangerous and addictive drug. "ディーラーは彼にヘロインを勧めたが、彼はそれが危険で中毒性のある薬物であることを知っていたので断った。medicinesubstancepolicesufferingbiochemistryChat with AIVocabulary GamePractice Reading