One or single channel as opposed to stereo or dual channel.

One sound, one channel, one signal, literally one ear. Can be multiple channels combined into one (mono) output or one signal feeding multiple speakers.

A sound term for a single signal.

Meaning not one- single but, one as in type.

French for "one finger" pocket, a pocket in which only one finger can fit.

A small pocket that will fit only one finger.

A hole into which only one finger will fit.

Mono was a British pop duo which became a one-hit wonder in the late 1990s with their song "Life in Mono". The group's music is often described as trip hop, based on its similarities to contemporary electronic music acts including Sneaker Pimps and Portishead. Audible, and frequently cited, influences in Mono's songs include jazzy instrumentation reminiscient of 1960s spy film soundtracks and production styles rooted in 1960s pop music (see 1960s in music).

Binary Zoo in which the goal is to turn the entire screen either white or black. Described as "Part Asteroids, part Robotron, part Paint Shop Pro" Jeffels, C: "mono", http://www.binaryzoo.com/games/mono/, 2005., the unconventional shooter was originally created as a test project for Binary Zoo's other games, DUO and DUOtris.

Bradford music fanzine whose remit is alternative/independent Rock. mono was invented to celebrate/promote/coordinate the city's music scene. The fanzine is published on the 1st of every month, usually with a limited run of 500 copies.