radio

¹ American  

[rey-dee-oh] / ˈreɪ diˌoʊ /

noun

plural

radios

1. wireless telegraphy or telephony.

   speeches broadcast by radio.

2. an apparatus for receiving or transmitting radio broadcasts.

3. a message transmitted by radio.

---

adjective

1. pertaining to, used in, or sent by radio.

2. pertaining to or employing radiations, as of electrical energy.

verb (used with object)

radioed, radioing

1. to transmit (a message, music, etc.) by radio.

2. to send a message to (a person) by radio.

verb (used without object)

radioed, radioing

1. to transmit a message, music, etc., by radio.

radio- ² American  

1. a combining form with the meanings “dealing with radiant energy” (radiometer ), “employing or dealing with radio waves” (radioacoustics; radiolocation; radiotelephone ), “emitting rays as a result of the breakup of atomic nuclei” (radioactive; radiocarbon ), “characterized by, employing or dealing with such rays” (radiography; radiopaque; radiotherapy ).

---

radio- ¹ British  

combining form

1. denoting radio, broadcasting, or radio frequency

   radiogram

2. indicating radioactivity or radiation

   radiochemistry

   radiolucent

3. indicating a radioactive isotope or substance

   radioactinium

   radiothorium

   radioelement

---

radio ² British  

/ ˈreɪdɪəʊ /

noun

1. the use of electromagnetic waves, lying in the radio-frequency range, for broadcasting, two-way communications, etc

2. Also called (esp Brit): wireless.  an electronic device designed to receive, demodulate, and amplify radio signals from sound broadcasting stations, etc

3. a similar device permitting both transmission and reception of radio signals for two-way communications

4. the broadcasting, content, etc, of sound radio programmes

   he thinks radio is poor these days

5. 1. the occupation or profession concerned with any aspect of the broadcasting of sound radio programmes

      he's in radio

   2. (modifier) relating to, produced for, or transmitted by sound radio

      radio drama

6. short for radiotelegraph radiotelegraphy radiotelephone

7. (modifier)

   1. of, relating to, employed in, or sent by radio signals

      a radio station

   2. of, concerned with, using, or operated by radio frequencies

      radio spectrum

8. (modifier) (of a motor vehicle) equipped with a radio for communication

   radio car

---

verb

1. to transmit (a message) to (a person, radio station, etc) by means of radio waves

radio Scientific  

/ rā′dē-ō /

1. The equipment used to generate, alter, transmit, and receive radio waves so that they carry information.

---

1. Relating to or involving the emission of radio waves.

Other Word Forms

• preradio adjective

Etymology

Origin of radio¹

1910–15; shortening of radiotelegraph or radiotelegraphy

Origin of radio-²

< French, combining form representing Latin radius beam, ray, radius

Example Sentences

All radio contact will be lost for about 40 minutes, meaning flight controllers won't know what is happening on board.

From BBC

The arrest report said that Woods was “sweating profusely” and that Woods said he was looking down at his phone and changing the radio station at the time of the crash.

From The Wall Street Journal

Golf superstar Tiger Woods told authorities he was looking at his phone and changing radio channels before his car crash last Friday, according to an accident report released by police Tuesday.

From Barron's

Timberlake hasn’t filmed anything recently about his role in participating in and profiting off of Jackson’s unofficial exile from broadcast and radio.

From Salon

Woods told authorities he was looking down at his phone while changing radio stations and did not realise the truck in front of him had slowed down before the collision.

From BBC

Related Words

• transmission
• wireless