duopoly.
An economic condition in which two sellers exert most control over the market of a commodity.
Meaning & usage
An economic condition in which two sellers exert most control over the market of a commodity.
Modern examples of duopoly include the American markets for credit cards (Visa and MasterCard), smartphones (Apple and Google), soft drinks (Coca-Cola and Pepsi), and airplanes (Airbus and Boeing).
The domination of a field of endeavour by two entities or people.
First past the post voting has long maintained American politics as an effective duopoly where power simply alternates between two main parties.
A situation in which two or more radio or television stations in the same city or community share common ownership.
Where this word comes from
PIE word *dwóh₁ From duo- (prefix meaning ‘two’) + -poly (suffix meaning ‘pertaining to the number of sellers in a market’), by analogy with monopoly.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.