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- Dictionarybroadcasting/ˈbrɔːdkɑːstɪŋ/
noun
- 1. the transmission of programmes or information by radio or television: "the state monopoly on broadcasting"
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noun
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Distribution of audio and video content to a dispersed audience via any audio or visual mass communications medium
Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model. Broadcasting began with AM radio, which came into popular use around 1920 with the spread of vacuum tube radio transmitters and receivers. Wikipedia