radio wave radio-ulnar • radish tree · · · Info · Definitions · Synonyms · Characters · · radio wave · · Text Common · · Latin · · Scripts 10 · · Length Definitions · · · (noun) an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m. Synonyms: radio emission, radio radiation. · · Noun Definition 1 Synonyms · · · radio · · Synonym 1 radiocommunication · · Synonym 2 wireless · · Synonym 3 radio receiver · · Synonym 4 receiving set · · Synonym 5 radio set · · Synonym 6 tuner · · Synonym 7 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 v latin small letter v U+0076 w latin small letter w U+0077