radio

«radio» in Mova's school dictionary: a machine that receives sounds sent through the air by… — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

part of speech

noun (a radio, radios; the radio); verb (radio, radios, radioed, radioing)

meaning for a pupil

1) A radio is a machine that receives sounds sent through the air by electric waves, so you can listen to music, news and talk. tree →

2) The radio is the programmes broadcast this way. tree →

3) Radio is a way of sending messages by invisible waves, used by pilots, police and ships. tree →

4) To radio someone is to send them a message by radio. tree →

sense in the lessons

In science, radio waves are invisible waves that travel at the speed of light; they carry sound for radios, signals for phones and TV, and are used in space. In safety, in a storm or emergency a battery or wind-up radio gives news and warnings. Walkie-talkies are small two-way radios. Phrases: on the radio, listen to the radio, turn on the radio, radio station, radio waves, radio contact.

examples

• Dad listens to the news on the radio. tree →
• Turn the radio down, please. tree →
• My favourite song came on the radio. tree →
• The pilot radioed the control tower. tree →
• Radio waves travel through space. tree →
• We lost radio contact with the boat. tree →
• Keep a wind-up radio for emergencies. tree →

note

Plural radios (not "radioes"). "On the radio" — with "on" and "the". Past: radioed. Radio waves are not the same as sound waves: sound cannot travel through space, radio waves can.

In the corpora

• The news on TV, the radio and phones shows real things: wars, earthquakes, floods, fires and accidents.
• Released animals often wear radio collars or satellite tags, so scientists can see whether they find food, survive and have young.
• Scientists find these senses by careful tests, for example by switching on a weak radio noise and watching robins lose their way.
• "A face for radio" is a joking, unkind way to say someone is ugly.
• On the radio a man said «Everyone knows…», and Callum in Belfast asked who «everyone» was.

Trees and pragmatics

Every meaning and example of «radio» parsed by Mova, each sentence with its dependency tree and frames.