[{"Bold_text": "adjective", "List Items": ["Electronics.designating an electronic apparatus using audio frequencies:audio amplifier.", "of, relating to, or employed in the transmission, reception, or reproduction of sound.", "of or relating to frequencies or signals in the audible range."]}, {"Bold_text": "noun", "List Items": ["Television.the audio elements of television ( video ).the circuits in a receiver for reproducing sound.the audio part of a television broadcast.", "the audio elements of television ( video ).", "the circuits in a receiver for reproducing sound.", "the audio part of a television broadcast.", "the field of sound recording, transmission, reception, and reproduction."]}, {"Bold_text": null, "List Items": ["a combining form used in the formation of compound words, with the meanings: “sound within the range of human hearing” (audiometer); “hearing” (audiology); “sound reproduction” (audiophile)."]}]