radio

ra-di-o · noun

imported

Definitions

noun

  1. 1.

    The transmission and reception of electromagnetic waves for communication.

  2. 2.

    A device for receiving broadcast programs.

  3. 3.

    Broadcasting as a medium of mass communication.

  4. 4.

    A program transmitted by radio.

  5. 5.

    Send a message by radio.

Forms

plural: radios

Phrases & expressions

  • •
    radio station — A broadcast company or its frequency.
  • •
    radio wave — Electromagnetic wave used in radio transmission.
  • •
    radio silence — A period without radio communication.
  • •
    on the radio — Being broadcast.
  • •
    ham radio — Amateur radio operation.

Related words

See also: broadcast, communication, television, wireless
Synonyms: wireless

Etymology

Short for radiotelegraphy, from Latin radius ("ray") + Greek tele ("far") + graphein ("to write").