HDTVBrE /ˌeɪtʃ diː tiː ˈviː/ 🔊NAmE /ˌeɪtʃ diː tiː ˈviː/ 🔊 noun [uncountable] (specialist) the abbreviation for 'high-definition television' (technology that produces extremely clear images on a television screen) 高清晰度电视（技术），高画质电视（技术）（全写为 high-definition television）