du·​op·​o·​ly du̇-ˈä-pə-lē How to pronounce duopoly (audio)
 also  dyu̇-
plural duopolies
: an oligopoly limited to two sellers
: preponderant influence or control by two political powers
duopolistic adjective

Example Sentences

Recent Examples on the Web China’s pathway to an economic duopoly with the US was never in doubt. Michael Gale, Forbes, 31 Dec. 2022 Miao draws a parallel with PCs and smartphones: The former was defined by the Windows-Intel alliance, and the latter by a duopoly of Google’s Android and Apple’s iOS. Mary Hui, Quartz, 14 Oct. 2022 To be clear, dumping the duopoly of Iowa and New Hampshire is deeply popular within the Democratic base. James Pindell, BostonGlobe.com, 2 Dec. 2022 For more than a year, members of Congress have debated the Open App Markets Act, a piece of legislation that would dramatically weaken the app store duopoly of Apple and Google. Jacob Carpenter, Fortune, 29 Nov. 2022 Other countries are trying to break the duopoly of Boeing and Airbus. Nicholas Gordon, Fortune, 29 Sep. 2022 The dialysis industry has consolidated over decades to become a for-profit duopoly: DaVita and Fresenius dominate the landscape. Isabella Cueto, STAT, 21 Sep. 2022 Various regulatory bodies have forced the Google/Apple app store duopoly to open up payments, but Google and Apple have each done so without fixing the core problem of high app store fees. Ron Amadeo, Ars Technica, 2 Sep. 2022 Efforts are slowly trickling to break through the duopoly. al, 14 Aug. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'duopoly.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


duo- + -poly (as in monopoly)

First Known Use

1920, in the meaning defined at sense 1

Time Traveler
The first known use of duopoly was in 1920

Dictionary Entries Near duopoly

Cite this Entry

“Duopoly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duopoly. Accessed 29 Jan. 2023.

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