digital audiotapeBrE /ˌdɪdʒɪtl ˈɔːdiəʊteɪp/ 🔊NAmE /ˌdɪdʒɪtl ˈɔːdioʊteɪp/ 🔊 noun [uncountable] (abbreviation DAT) a type of tape for making high-quality sound recordings 数字音频磁带;数字录音带