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duopoly

[doo-op-uh-lee, dyoo-]

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noun, plural du·op·o·lies.

the market condition that exists when there are only two sellers.Compare monopoly(def 1), oligopoly.

Origin of duopoly

First recorded in 1915–20; duo- + (mono)poly

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for duopoly

Contemporary Examples of duopoly

And more importantly, an Orman victory could signal a broader assault against the duopoly that controls congress.
Independent Greg Orman Stands Up Against GOP Attacks
John Avlon
November 4, 2014
Today, two upstarts on opposite coasts are attacking the duopoly with tech-influenced business models.
After 100 Years, the Shaving Industry Is Finally being Disrupted
Daniel Gross
January 24, 2014

British Dictionary definitions for duopoly

duopoly

noun plural -lies

a situation in which control of a commodity or service in a particular market is vested in just two producers or suppliers

Derived Formsduopolistic (ˌdjʊɒpəˈlɪstɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012