radio
adjective
1. indicating radiation or radioactivity
- radiochemistry
noun
1. medium for communication
Similar word(s): radiocommunication, wireless
Definition categories: communication, broadcasting
2. an electronic receiver that detects and demodulates and amplifies transmitted signals
Similar word(s): tuner, wireless
Definition categories: man–made, receiver
3. a communication system based on broadcasting electromagnetic waves
Similar word(s): wireless
Definition categories: man–made
verb
1. transmit messages via radio waves
- he radioed for help
Definition categories: communication, communicate, intercommunicate
Sentences with radio as a verb:
- I think the boat is sinking; we'd better radio for help. / I radioed him already. / Radio the coordinates this time. / OK. I radioed them the coordinates.