Duopoly

//djuːˈɒpəli// noun

Definitions

Noun
  1. 1
    An economic condition in which two sellers exert most control over the market of a commodity. countable, uncountable

    "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)."

  2. 2
    The domination of a field of endeavour by two entities or people. broadly, countable, uncountable

    "In 2011, his spirit and body were shattered by Jo-Wilfried Tsonga in the semi-finals. Last night, the stakes were just as high – even though the tournament is not out of the first week – because there is a creeping perception that the [Roger] Federer–[Rafael] Nadal duopoly is slowly giving way under pressure from below."

  3. 3
    A situation in which two or more radio or television stations in the same city or community share common ownership. broadly, countable, uncountable

Etymology

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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