"radios" in the noun sense
1. radio, radiocommunication, wireless
medium for communication
2. radio receiver, receiving set, radio set, radio, tuner, wireless
an electronic receiver that detects and demodulates and amplifies transmitted signals
3. radio, wireless
a communication system based on broadcasting electromagnetic waves
"radios" in the verb sense
transmit messages via radio waves
"he radioed for help"
Source: WordNet® (An amazing lexical database of English)
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