transmissioncode

noun
UK /trænzˈmɪʃən kəʊd/
US /trænzˈmɪʃən koʊd/

A special set of letters and numbers that tells a machine how to send information.

The mechanic used a transmission code to find out what was wrong with the car.


OTHER MEANINGS

2. A coded message sent from one place to another.

The radio operator decoded the transmission code from the ship.

3. A set of symbols used to send information over a network.

Each device on the network has its own transmission code.

4. A secret pattern used to share information safely.

The spies agreed on a transmission code before the mission.