Meaning of RADIO in English

RADIO

■ noun ( plural ~s )

1》 the transmission and reception of ~ waves, especially those carrying audio messages.

2》 the activity of broadcasting sound to the public.

↘a broadcasting station or channel.

3》 an apparatus for receiving ~ programmes.

↘an apparatus capable of receiving and transmitting ~ messages.

■ verb ( ~es , ~ing , ~ed ) send a message by ~.

↘communicate with by ~.

Origin

early 20th cent.: abbrev. of ~-telephone .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.