noun / verb / adjective
radio
RAY-dee-oh/ˈreɪdiəʊ/
Communication carried by electromagnetic waves through space.
The antenna receives radio signals for the portable receiver's speaker.
Etymology
The “beam” element referred to radiant energy in names for wireless communication technologies. Shortened from those names, radio came to mean both sound broadcasting by waves and the receiver used to hear it.
In context
the young people in Strathearn and Strathallan who developed a community radio station that broadcasts locally.
More examples
- She radios the rescue team for help.
- We listen to the news on the radio each morning.
- He keeps a battery-powered radio in his emergency kit.
- Radio signals carry messages between the boats.
Forms
radio · radios · radioed · radioing
Similar words
- wireless
- Covers cable-free communication, including Wi-Fi and other nonbroadcast connections.
- broadcasting
- Sends programs to a broad audience, rather than specific recipients.