Noun

• S: (n) radio, radiocommunication, wireless (medium for communication)
• domain term category
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• W: (v) radio [Related to: radio] (transmit messages via radio waves) "he radioed for help"
• S: (n) radio receiver, receiving set, radio set, radio, tuner, wireless (an electronic receiver that detects and demodulates and amplifies transmitted signals)
• S: (n) radio, wireless (a communication system based on broadcasting electromagnetic waves)

Verb

• S: (v) radio (transmit messages via radio waves) "he radioed for help"

Adjective

• S: (adj) radio (indicating radiation or radioactivity) "radiochemistry"
• domain usage
• S: (n) combining form (a bound form used only in compounds) "`hemato-' is a combining form in words like `hematology'"
• pertainym