noun
hazardous materials; dangerous goods
Broad term covering explosives, combustibles, toxic substances, and other regulated dangerous items. Often used in legal, safety, and transport contexts.
危険物を運ぶときは特別な許可が必要です。
Special permission is required when transporting hazardous materials.
この倉庫には危険物が保管されています。
Hazardous materials are stored in this warehouse.