radio

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radio¹

  • /ˈɹeɪ.diˌəʊ/ UK
  • /ˈɹeɪ.diˌoʊ/ US

Where it comes from

Short for radiotelegraphy.

noun radios

  1. uncountable The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves. send a message by radio
  2. countable 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
  3. broadly, countable 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.
  4. countable A device that can transmit radio signals.

    Similar: tuner, wireless, receiver

  5. Internet, uncountable The continuous broadcasting of sound via the Internet in the style of traditional radio.

verb radios · radioes · radioing · radioed

  1. ambitransitive 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.
  2. transitive To order or assist (to a location), using telecommunications. “Could you call them here? I'd like to talk to them. Or if they're out in the field, radio them in.”

Radio²

proper noun

  1. A surname.

Thesaurus

Closest in meaning: radiocommunication, tuner, wireless, radio receiver, radio set, receiving set, radiotelegraph, radiotelephone, walkie-talkie, walkie, radiofrequency, television, broadcasting, scanner, broadcaster, communications

Translations

Every language

noun technology

Españolradio
한국어라디오
日本語ラジオ rajio
中文無線電 /無綫電 /无线电 wúxiàndiàn
हिन्दीरेडियो reḍiyo
Kiswahiliredio
Portuguêsrádio
Françaisradio, radiodiffusion
DeutschRadio, Hörfunk, Funk
Italianoradio
Ελληνικάραδιόφωνο radiófono, ράδιο rádio
Românăradio
Русскийра́дио rádio, радиовеща́ние radioveščánije
Tiếng Việtra đi ô truyền thanh, vô tuyến truyền thanh, vô tuyến điện
العربيةرَادْيُو rādyū, rādyō, رَادِيُو rādiyū, rādiyō, مِذْيَاع miḏyāʕ
עבריתרַדְיוֹ rádyo

noun receiver — see also radioreceptor

Españolradio
한국어라디오, 무선 museon, 라디오 수신기
日本語無線 musen, ラジオ rajio
中文收音機 /收音机 shōuyīnjī, 無線電 /無綫電 /无线电 wúxiàndiàn
हिन्दीरेडियो reḍiyo
Kiswahiliredio
Portuguêsrádio, telefonia
Françaisradio
DeutschRadio, Radioempfänger, Funkempfänger, Rundfunkempfangsgerät, Rundfunkempfänger, Rundfunkgerät
Italianoradio
Ελληνικάραδιόφωνο radiófono, ράδιο rádio
Românăradio, radioreceptor, aparat de radio
Русскийра́дио rádio, радиоприёмник radioprijómnik
Tiếng Việtra đi ô, máy thu thanh
العربيةرَادْيُو rādyū, rādyō, رَادِيُو rādiyū, rādiyō, مِذْيَاع miḏyāʕ
עבריתרַדְיוֹ rádyo

noun on-board entertainment system in a car

Españolradio
中文車載播放器 /车载播放器 chēzài bōfàngqì
Portuguêsrádio

noun transmitter — see also radiotransmitter

Españolradio
中文無線電發射機 /無綫電發射機 /无线电发射机 wúxiàndiàn fāshèjī
Portuguêsrádio
DeutschRundfunksender, Radiosender, Funksender, Funkgerät
Ελληνικάραδιόφωνο radiófono
Русскийра́дио rádio, радиопереда́тчик radioperedátčik, ра́ция rácija, радиоста́нция radiostáncija

noun broadcasting of sound via the Internet

中文網絡電臺 /网络电台 wǎnglù diàntái

verb to use two-way radio to transmit

Русскийради́ровать radírovatʹ

Talk about this word

Cite this
MLA

"radio." Wiktionary, via Micwyn, micwyn.com/word/radio. Accessed 6 Nov. 2026.

APA

radio. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/radio

Chicago

"radio." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/radio.

BibTeX
@misc{radio_2026,
  title = {radio},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/radio},
  urldate = {2026-11-06}
}