radio
The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
Example
“send a message by radio”
Other meanings
A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound.
Any audio playing device, such as the on-board entertainment system in a car, usually including a radio receiver as well as the capability to play audio from recorded media; see also car radio.
Synonyms
- wireless
A kind of
- communication system
Kinds of radio
- wireless telegraph
Example sentences
Where this comes from
This definition is adapted from “radio” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.