Duopoly

Origin

By analogy with monopoly based on Ancient Greek δύο (duo, "two") + πωλειν (pōlein, "to sell").

Full definition of duopoly

Noun

1. (economics) A market situation in which two companies exclusively provide a particular product or service.
• 2012, June 29, Kevin Mitchell, Roger Federer back from Wimbledon 2012 brink to beat Julien Benneteau, 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 Federer-Nadal duopoly is slowly giving way under pressure from below.

Derived terms

• duopolist, duopolistic, duopolistically