oligopolize

oligopoly +‎ -ize

oligopolize (third-person singular simple present oligopolizes, present participle oligopolizing, simple past and past participle oligopolized)

1. (transitive) To convert a market into an oligopoly.
   • 1987, United States. Congress. Joint Economic Committee. Subcommittee on Trade, Productivity, and Economic Growth, United States-Japanese Trade in Semiconductors: Hearing Before the Subcommittee on Trade, Productivity, and Economic Growth of the Joint Economic Committee, Congress of the United States, Ninety-ninth Congress, First Session, October 10, 1985:

     Also, another reason to oligopolize is uncertainity^[sic] of world economy because of value of the US high dollar.

   • 2006, Japan Environemntal Council (JEC), The State of Environment in Asia: 2005/2006, Springer Science & Business Media (→ISBN), page 47:

     Japanese trading companies and large seafood companies responded with attempts to monopolize or oligopolize import and sales routes.

   • 2018, Takashi Shiraishi, Approaching Suharto's Indonesia from the Margins, Cornell University Press, →ISBN, page 152:

     It is, of course, possible for an enterprising body to highly diversify its business into various industries and concurrently to oligopolize some of the industries, but it is rather rare.

• oligopoly