radio

adjective
ra·​dio | \ ˈrā-dē-ˌō How to pronounce radio (audio) \

Definition of radio

 (Entry 1 of 4)

1 : of, relating to, or operated by radiant energy
2 : of or relating to electric currents or phenomena (such as electromagnetic radiation) of frequencies between about 3000 hertz and 300 gigahertz
3a : of, relating to, or used in radio or a radio set
b : specializing in radio or associated with the radio industry
c(1) : transmitted by radio
(2) : making or participating in radio broadcasts
d : controlled or directed by radio

radio

noun
plural radios

Definition of radio (Entry 2 of 4)

1a : the wireless transmission and reception of electric impulses or signals by means of electromagnetic waves
b : the use of these waves for the wireless transmission of electric impulses into which sound is converted
2 : a radio message
3 : a radio receiving set
4a : a radio transmitting station
b : a radio broadcasting organization
c : the radio broadcasting industry
d : communication by radio

radio

verb
radioed; radioing; radios

Definition of radio (Entry 3 of 4)

transitive verb

1 : to send or communicate by radio
2 : to send a radio message to

intransitive verb

: to send or communicate something by radio

Definition of radio- (Entry 4 of 4)

— see radi-

Examples of radio in a Sentence

Noun The news was sent by radio. I listen to the radio all the time. I heard the news on the radio. There's a problem with the car's radio. The radio was playing very loudly. The pilot's radio wasn't working. Verb The police radioed for backup. The stranded sailors were radioing for help. The pilot radioed in to the control tower. The police radioed a report back to the station. They radioed the Coast Guard for help. See More
Recent Examples on the Web: Adjective Pence is a 61-year-old former Indiana governor, former member of Congress, an ex-radio host and an evangelical Christian. Arkansas Online, 8 Oct. 2020 Pence is a 61-year-old former Indiana governor and ex-radio host, an evangelical Christian known for his Midwestern charm and unwavering loyalty to Trump. Anchorage Daily News, 8 Oct. 2020 The vice president is a 61-year-old former Indiana governor and ex-radio host, an evangelical Christian known for his folksy charm and unwavering loyalty to Trump. Steve Peoples, chicagotribune.com, 7 Oct. 2020 Pence is a 61-year-old former Indiana governor and ex-radio host, an evangelical Christian known for his folksy charm and unwavering loyalty to Trump. Steve Peoples, Star Tribune, 7 Oct. 2020 The vice president is a 61-year-old former Indiana governor and ex-radio host, an evangelical Christian known for his folksy charm and unwavering loyalty to Trump. The Associated Press, NOLA.com, 7 Oct. 2020 Recent Examples on the Web: Noun Nicola Lubitsch did some acting in her youth, and later worked as a radio producer and announcer in Los Angeles. Alex Ross, The New Yorker, 8 Aug. 2022 Both men connected with millions through their voice over radio. Los Angeles Times, 7 Aug. 2022 Her family knew of only one attorney in the Black community of East Buffalo — the one whose billboard towered above a gas station near Tops and whose slogan repeated in radio advertisements. Eli Saslow, Washington Post, 7 Aug. 2022 In 1932, Indians general manager Billy Evans asked Graney to try out for a spot in the team’s radio booth. Terry Pluto, cleveland, 7 Aug. 2022 All attending members of the 1982 team rode in classic cars along the warning track and then gathered behind home plate in a presentation emceed by TV announcer Brian Anderson and radio legend Bob Uecker. Jr Radcliffe, Journal Sentinel, 6 Aug. 2022 Federal prosecutors presented evidence that Vasquez used his position as police chief to help a radio system vendor land a city contract worth almost $6 million. Chron, 6 Aug. 2022 That is perhaps the biggest advantage podcasts have over conventional sports radio. Chad Finn, BostonGlobe.com, 6 Aug. 2022 Within the glovebox was a radio, keeping them in close contact with central command. John Vorwald, Robb Report, 5 Aug. 2022 Recent Examples on the Web: Verb Apolinar tried to radio for help, but one of the bullets had sliced her tongue apart. NBC News, 27 Mar. 2022 But in recent years, SAG merged with AFTRA (the American Federation of Television and Radio Artists), resulting in an influx of everyone from TV meteorologists to radio talk-show hosts; more recently, the guild began admitting TikTokers, too. Scott Feinberg, The Hollywood Reporter, 11 Feb. 2022 This in turn can form a rotating ring of matter (aka an accretion disk) around the black hole that emits powerful X-rays and visible light—and sometimes radio waves. Jennifer Ouellette, Ars Technica, 11 Jan. 2022 The ex-police officers’ patrol supervisor, Sergeant Jose Gomez, tried to radio their unit to ask for backup at the mall but received no response. Celina Tebor, USA TODAY, 11 Jan. 2022 He is also seen attempting unsuccessfully to radio desperate reports that he, and Staff Sgts. James Gordon Meek, ABC News, 16 Dec. 2021 In late 2019, according to the industry news site Inside Radio, 127.6 million women 12 and older listened to radio each week. Rex Huppke, chicagotribune.com, 5 Nov. 2021 He is also seen attempting unsuccessfully to radio desperate reports that he, Black and Wright have each been wounded, according to officials and family members who watched the full video. James Gordon Meek, ABC News, 11 Nov. 2021 However, Wagner instructed him to not to radio for help. David Oliver, USA TODAY, 10 Nov. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radio.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of radio

Adjective

1887, in the meaning defined at sense 1

Noun

1903, in the meaning defined at sense 1a

Verb

1913, in the meaning defined at transitive sense 1

History and Etymology for radio

Noun and Adjective

short for radiotelegraphy

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Dictionary Entries Near radio

radii

radio

radio-

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Statistics for radio

Cite this Entry

“Radio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio. Accessed 10 Aug. 2022.

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More Definitions for radio

radio

noun
ra·​dio | \ ˈrā-dē-ˌō How to pronounce radio (audio) \
plural radios

Kids Definition of radio

 (Entry 1 of 3)

1 : the process that is used for sending or receiving signals by means of electromagnetic waves without a connecting wire
2 : a device that receives signals sent by radio
3 : programs that are broadcast by radio
4 : a device used to both send and receive messages by radio
5 : the radio broadcasting industry

radio

adjective

Kids Definition of radio (Entry 2 of 3)

1 : of or relating to radio waves
2 : of, relating to, or used in radio broadcasting

radio

verb
radioed; radioing

Kids Definition of radio (Entry 3 of 3)

: to communicate or send a message to by radio

More from Merriam-Webster on radio

Nglish: Translation of radio for Spanish Speakers

Britannica English: Translation of radio for Arabic Speakers

Britannica.com: Encyclopedia article about radio

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