radiowave
nounUK /ˈreɪdiəʊweɪv/
US /ˈreɪdioʊweɪv/
A kind of invisible wave that carries sounds and pictures through the air.
The radio picked up the radiowave and played our favorite song.
OTHER MEANINGS
2. A wave used by phones and Wi-Fi to send information without wires.
Your phone uses radiowaves to connect to the internet.
3. A type of energy wave that travels at the speed of light.
Scientists study radiowaves coming from faraway stars.
4. A wave that can pass through walls and clouds.
Radiowaves let us talk to airplanes even in bad weather.