du·op·olyBrE /djuːˈɒpəli/ 🔊NAmE /duːˈɑːpəli/ 🔊 noun (du·op·olies) (business 商业) a right to trade in a particular product or service, held by only two companies or organizations （商品或服务的）两强垄断a group of two companies or organizations who hold a duopoly 两强垄断集团 ➡ compare monopoly (1)