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Dictionary definition for: Radio
1. (n) medium for communication
2. (v) transmit messages via radio waves; "he radioed for help"
3. (a) indicating radiation or radioactivity; "radiochemistry"
4. (n) an electronic receiver that detects and demodulates and amplifies transmitted signals
5. (n) a communication system based on broadcasting electromagnetic waves
WordNet 2.1 Copyright Princeton University. All rights reserved.
