Copedent is a term used to describe the tuning and pedal arrangement on a pedal steel guitar and is unique to that instrument. Typically expressed in the form of a table or chart, the word is a portmanteau of "chord–pedal–arrangement and is pronounced "co-PEE-dent". It was coined in 1969 by Steel Guitar Hall of Fame member Tom Bradshaw and first reached a wide audience in a 1972 article in Guitar Player magazine. A complete copedent includes the order of strings, their tuning, string gauges, and whether a string is plain or wound; it also indicates how any string's pitch is changed by applying a foot pedal or a knee lever. It has become an international standard used by steel guitar players and manufacturers to describe the specifications of these instruments.