radio observation radio noise • radio-opacity · · · Info · Definitions · Characters · · radio observation · · Text Common · · Latin · · Scripts 17 · · Length 6 · · Syllables Definitions · · · (noun) an observation made with a radio telescope. Synonyms: radio observation. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076