"Monopolist" Natural Recordings by Native Speakers
A monopolist is a person or organization that has complete control over the supply of a particular product or service, and is the only one that provides it.
Monopolization is the act of gaining a monopoly, which is a situation in which a single entity or group has total control over the production or distribution of a specific product, service or market. It can also refer to the process of a single entity or group dominating a specific industry, market, or sector to the point where it has significant market power or control.