noun
plural -dios
[noncount] :the system or process that is used for sending and receiving signals through the air without using wires
[noncount] :programs that are broadcast by radio
[count] a device that is used to receive the signals that are broadcast by radio
a device that is used to send and receive messages by radio
[noncount] :the business that makes and broadcasts radio programs
verb
-dios; -dioed; -dioing
to send a message to someone by radio [no obj]