If a company, person, or state has a monopoly on something such as an industry, they have complete control over it, so that it is impossible for others to become involved in it.
双语例句
例：
Russian moves to end a state monopoly on land ownership.
俄罗斯人对结束国家垄断土地所有权采取的措施。
例：
the governing party's monopoly over the media.
执政党对媒体的垄断。
2.?[C 可数名词] 垄断企业
A monopoly is a company which is the only one providing a particular product or service.
双语例句
例：
a state-owned monopoly.
一个国有垄断企业。
例：
The television industry continues to rake in the profits as a protected, regulated monopoly.
电视界作为一个被保护、被监管的垄断行业继续捞取利润。
3.?[SING 单数型名词] 独有
If you say that someone does not have a monopoly on something, you mean that they are not the only person who has that thing.
双语例句
例：
Women do not have a monopoly on feelings of betrayal.