radio

A device that receives sound sent through the air, or sends and receives messages this way.

• She bought a small radio.
• We heard the news on the radio.
• The rescue team carried radios to keep in touch.

How to use it: on the radio (I heard this song on the radio.)

Common phrases: portable radio, turn on radio, radio receiver, listen to radio

A device that plays music or other sound, especially the sound system in a car.

• Turn down the car radio.
• Her radio can play music from a phone.
• We replaced the radio and speakers in our van.

Similar words: stereo, sound system

Common phrases: car radio, radio volume, radio speakers

To send someone a message using equipment that sends signals through the air.

• The pilot radioed the airport.
• We radioed for help when the engine failed.
• The captain radioed a warning to nearby ships.

How to use it: radio someone (The officer radioed headquarters.); radio for something (They radioed for assistance.); radio something to someone (She radioed the coordinates to the rescue team.)

Common phrases: radio someone, radio for help, radio a message, radio for assistance