Duo - Definition and Overview

Duo- is a Latin numerical prefix meaning two; the Greek equivalent is di-, and the Old English equivalent is twi-.

Some "duo-" words

• Duopoly - when only two participants control a market for something.
• Duodecimal - a numbering system based upon powers of twelve.

Also as a single word:

A Duo is a group of two persons or objects. In the comic strip and movie Batman, Batman and his young partner Robin are referred to as "the Dynamic Duo".

• The Macintosh PowerBook_Duo

Other words related in meaning

• In music, a pair of singers or musicians and the musical piece they perform is called a Duet. In Renaissance music, a duo with a specifically pedagogical intent was called a bicinium.

• Two humans sharing the same gestational period are called twins and are usually both born within a short period of time.

See also

• Solo
• Trio