Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “radio”

See all translations

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.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.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. [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.
More examples

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.
(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

juggernaut

a very large, heavy truck

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More