# duopoly

> English word · Noun · IPA /djuːˈɒpəli/ · frequency rank #56,718

## Definitions
1. An economic condition in which two sellers exert most control over the market of a commodity.
2. The domination of a field of endeavour by two entities or people.
3. A situation in which two or more radio or television stations in the same city or community share common ownership.

## 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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/duopoly