The full form of
LC patch cord is
Lucent Connector patch cord.
An LC patch cord is a type of fiber optic cable used to connect devices like switches, routers, and other networking equipment. It has an LC connector, which is a small, compact connector often used in high-density applications. The "Lucent" name comes from the company that originally developed the connector, which was later acquired by Alcatel. The LC connector is known for its small size and reliable performance.