Added 3 October 2026
radio
/ˈɹeɪ.diˌəʊ/ noun
In Latin: radiophonia Wiktionary
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about radio at Wordnik → Where our words come from →
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The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
send a message by radio
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A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound.
(of a song, person, etc.) to be on the radio
- 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.
verb
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To use two-way radio to transmit (a message) (to another radio or other radio operator).
I think the boat is sinking; we'd better radio for help. / I radioed him already. / Radio the coordinates this time. / OK. I radioed them the coordinates.
- To order or assist (to a location), using telecommunications.
Origin
Short for radiotelegraphy.
From Wiktionary, via Kaikki.org (CC BY-SA)