radiodiffusion betyder på engelska

broadcasting▼◼◼◼(business or profession of radio and television)
noun
[UK: ˈbrɔːdk.ɑːst.ɪŋ] [US: ˈbrɒdˌk.æ.stɪŋ]

radio [radios]▼◼◼◼(technology)
noun
[UK: ˈreɪ.dɪəʊ] [US: ˈreɪ.diˌo.ʊ]