Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “radio”

radio

noun uk   /ˈreɪ.di.əʊ/ us    /-oʊ/ (plural radios)
A1 [C] a piece of electronic equipment used for listening to radio broadcasts: a car radio I switched on the radio.Radio A1 [S or U] the programmes that you hear when you listen to the radio: I heard a good programme on the radio last night. I don't listen to radio much.Radio B1 [U] the system or work of broadcasting sound programmes for the public to listen to: a local radio station She's got some kind of job in radio.Broadcasting in general [C or U] a piece of electronic equipment that can send and receive spoken messages or signals, or the messages or signals that are sent or received: We sent a message over the radio/by radio. The children had radio-controlled toy cars for Christmas.Radio

radio

verb [I or T] uk   /ˈreɪ.di.əʊ/ us    /-oʊ/
to send a message to someone by radio: We'll have to radio for more supplies. They radioed their base for help.Radio
(Definition of radio from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of radio?
Add Cambridge dictionaries to your browser to your website

Definitions of “radio” in other dictionaries

Word of the Day

aptitude

a natural ability or skill

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More