1. Medium for communication
   - radiocommunication, wireless 
2. An electronic receiver that detects and demodulates and amplifies transmitted signals
   - radio receiver, receiving set, radio set, tuner, wireless 
3. A communication system based on broadcasting electromagnetic waves
   - wireless

1. Transmit messages via radio waves
   "he radioed for help"

1. Indicating radiation or radioactivity

Derived forms: radioes, radioing, radios, radioed

See also: radiant energy

Type of: broadcasting, communicate, communication system, intercommunicate, receiver, receiving system

Part of: radio-gramophone, radio-phonograph

Encyclopedia: Radio Radio, Radio

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