n.
(pl. radios)
- the transmission and reception of radio waves, especially those carrying audio messages.
- the activity of broadcasting sound to the public.
▸a broadcasting station or channel.
- an apparatus for receiving radio programmes.
▸an apparatus capable of receiving and transmitting radio messages.
v.
(radioes, radioing, radioed)
send a message by radio.
▸communicate with by radio.
Etymology
early 20th cent.: abbrev. of radio-telephone.