duopoly

[doo-op-uh-lee, dyoo-] /duˈɒp ə li, dyu-/
noun, plural duopolies.
1.
the market condition that exists when there are only two sellers.
Compare monopoly (def 1), oligopoly.
Origin
1915-20; duo- + (mono)poly
Examples from the web for duopoly
  • Because in the face of this cozy duopoly, email innovation has slowed to a crawl.
  • The electoral system has created a built-in political duopoly.
  • For two decades they have enjoyed a duopoly in this part of the market, roughly splitting sales between them.
  • Better to have a vibrant multi-party system with narrower, coherent parties than the current duopoly.
British Dictionary definitions for duopoly

duopoly

/djʊˈɒpəlɪ/
noun (pl) -lies
1.
a situation in which control of a commodity or service in a particular market is vested in just two producers or suppliers
Derived Forms
duopolistic (ˌdjʊɒpəˈlɪstɪk) adjective