radio
♦♦♦ ra|dio /r'eɪdioʊ/ (radios radioing radioed)
1 [N-UNCOUNT] oft N n
Radio is the broadcasting of programmes for the public to listen to, by sending out signals from a transmitter.
The announcement was broadcast on radio and television.
2 [N-SING] the N
You can refer to the programmes broadcast by radio stations as the radio.
A lot of people tend to listen to the radio in the mornings...
3 [N-COUNT]
A radio is the piece of equipment that you use in order to listen to radio programmes.
He sat down in the armchair and turned on the radio.
4 [N-UNCOUNT] oft N n
Radio is a system of sending sound over a distance by transmitting electrical signals.
They are in twice daily radio contact with the rebel leader.
5 [N-COUNT]
A radio is a piece of equipment that is used for sending and receiving messages.
...the young constable who managed to raise the alarm on his radio...
6 [VERB] V adv/prep, V that, also V n, V
If you radio someone, you send a message to them by radio.
The officer radioed for advice...
A few minutes after take-off, the pilot radioed that a fire had broken out.digi|tal ra|dio (digital radios)
1 [N-UNCOUNT]
Digital radio is radio in which the signals are transmitted in digital form and decoded by the radio receiver.
2 [N-COUNT]
A digital radio is a radio that can receive digital signals.
Manufacturers are working on a new generation of cheaper digital radios.pi|rate ra|dio (pirate radios)
[N-VAR]
Pirate radio is the broadcasting of radio programmes illegally. (BRIT)
...a pirate radio station.ra|dio as|trono|my
[N-UNCOUNT]
Radio astronomy is a branch of science in which radio telescopes are used to receive and analyse radio waves from space.ra|dio cas|sette (radio cassettes)
[N-COUNT] oft N n
A radio cassette is a radio and a cassette player together in a single machine. (BRIT)
...a radio cassette player.ra|dio tele|phone (radio telephones)
[N-COUNT]
A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.ra|dio tele|scope (radio telescopes)
[N-COUNT]
A radio telescope is an instrument that receives radio waves from space and finds the position of stars and other objects in space.
1 [N-UNCOUNT] oft N n
Radio is the broadcasting of programmes for the public to listen to, by sending out signals from a transmitter.
The announcement was broadcast on radio and television.
2 [N-SING] the N
You can refer to the programmes broadcast by radio stations as the radio.
A lot of people tend to listen to the radio in the mornings...
3 [N-COUNT]
A radio is the piece of equipment that you use in order to listen to radio programmes.
He sat down in the armchair and turned on the radio.
4 [N-UNCOUNT] oft N n
Radio is a system of sending sound over a distance by transmitting electrical signals.
They are in twice daily radio contact with the rebel leader.
5 [N-COUNT]
A radio is a piece of equipment that is used for sending and receiving messages.
...the young constable who managed to raise the alarm on his radio...
6 [VERB] V adv/prep, V that, also V n, V
If you radio someone, you send a message to them by radio.
The officer radioed for advice...
A few minutes after take-off, the pilot radioed that a fire had broken out.digi|tal ra|dio (digital radios)
1 [N-UNCOUNT]
Digital radio is radio in which the signals are transmitted in digital form and decoded by the radio receiver.
2 [N-COUNT]
A digital radio is a radio that can receive digital signals.
Manufacturers are working on a new generation of cheaper digital radios.pi|rate ra|dio (pirate radios)
[N-VAR]
Pirate radio is the broadcasting of radio programmes illegally. (BRIT)
...a pirate radio station.ra|dio as|trono|my
[N-UNCOUNT]
Radio astronomy is a branch of science in which radio telescopes are used to receive and analyse radio waves from space.ra|dio cas|sette (radio cassettes)
[N-COUNT] oft N n
A radio cassette is a radio and a cassette player together in a single machine. (BRIT)
...a radio cassette player.ra|dio tele|phone (radio telephones)
[N-COUNT]
A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.ra|dio tele|scope (radio telescopes)
[N-COUNT]
A radio telescope is an instrument that receives radio waves from space and finds the position of stars and other objects in space.