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radio definition

☆ ra·dio (rā′dē ō′)

noun

  1. the practice or science of communicating over a distance by converting sounds or signals into electromagnetic waves and transmitting these directly through space, without connecting wires, to a receiving set, which changes them back into sounds, signals, etc.
  2. pl. radios -·os′ such a receiving set, esp. one adapted for receiving the waves of the assigned frequencies of certain transmitters or broadcasting stations
    1. broadcasting by radio as an industry, entertainment, art, etc.
    2. all the facilities and related activities of such broadcasting

Etymology: contr. < radiotelegraphy

adjective

  1. of, using, used in, sent by, or operated by radio
  2. having to do with electromagnetic wave frequencies between c. 10 kilohertz and c. 300,000 megahertz

transitive verb, intransitive verb radioed -·oed′, radioing -·o′·ing

to send (a message, etc.) or communicate with (a person) by radio

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

telecom radio definition - telecom

radio Synonyms

radio

n.

  1. The study and practice of wireless communication

    radio transmission, radio reception, signaling, radio engineering, radiotelephony, radiotelegraphy, television, radio work, radio operation, radionics; see also broadcasting, communication 1, communications.

  2. A receiving device

    receiver, tuner, AM-FM radio, shortwave radio, clock radio, transistor radio, transistor, portable radio, pocket radio, car radio, Walkman (trademark), home radio, radio set, console, wireless, ship's radio, ship-to-shore radio, CB radio, walkie-talkie, two-way radio, crystal set, ghetto blaster*, boom box*, squawk box; see also communications.


Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

radio Usage Examples

Converse of object

  • crackle: The radio crackled into life once more, only for us to discover they had still not turned up at camp.

Adjective modifier

  • FM: FM radio: built-in FM radio with automatic scanning function.

Modifies a noun

  • station: Jazz Jazz FM The jazz radio station for the UK.

Noun used with modifier

  • VHF: Gordon Young swam ashore with a line, two lifejackets and a waterproof VHF radio and secured the line around a rock.
radio usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

radio quotes

It is largely on television and radio that real probing of what politicians are up to has to happen.

-Humphrys,John

Public radio is a ghetto of good taste.

-Keillor, (Gary Edward) Garrison

Don't believe everything you hear on the radio.

-Mankiewicz, Herman

radio quotes (more)

Webster's New World Dictionary of Quotations Copyright © 2005 by Chambers Harrap Publishers Ltd. All rights reserved. Published by Wiley, Hoboken, NJ. Used by arrangement with John Wiley & Sons, Inc.

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MLA Style

"radio." Webster's New World College Dictionary. 2009

  • Your Dictionary. 5 July 2009
  • <www.yourdictionary.com/radio>

APA Style

radio. (2009). In Webster's New World College Dictionary

  • Retrieved July 5th, 2009, from www.yourdictionary.com/radio

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