Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
radiophonic is an adjective meaning "relating to or by means of radiotelephony". It carries one recorded sense.
relating to or by means of radiotelephony
Definitions, synonyms and semantic relations for radiophonic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.