| Subject | English | Spanish |
| comp., MS | High Definition Compatible Digital | Sistema digital compatible de alta definición (A patented encode/decode process that improves the quality of all forms of digital audio recording and playback by increasing resolution and reducing distortion that occurs during analog-to-digital (A/D) and digital-to-analog (D/A) conversion, digital pro) |
| IT | high definition large-screen display | presentación visual a base de una pantalla de alta definición |
| commun., IT | High Definition-multiplexed analog component standard | norma HD-MAC |
| commun. | high definition television | televisión de alta definición |
| commun., IT | High Definition Television | televisión de alta definición |
| commun., IT | High Definition TV | televisión de alta definición |
| cinema | high-definition | alta definición |
| IT, dat.proc. | high-definition display | pantalla de alta definición |
| comp., MS | high-definition DVD | DVD de alta definición (A high definition optical disc format which uses a smaller focus blue-violet 405 nm laser allowing higher precision and storage density. A competitor to Blu-ray Disc) |
| comp., MS | high-definition multimedia interface | Interfaz multimedia de alta definición (A digital interface specification for delivering digital content and connecting consumer electronic devices) |
| commun., IT | high-definition picture | imagen de alta definición |
| comp., MS | High-Definition Television | Televisión de alta definición (A type of television that provides much higher resolution, sharpness, sound quality, and picture quality than traditional televisions. HDTVs can usually be used as computer monitors) |
| econ. | high-definition television | televisión de alta definición |
| gen. | high-definition TV | televisión de alta definición |
| IT, el. | real-time high definition video | vídeo de alta definición en tiempo real |
| commun. | ultra-high definition video | vídeo de muy alta definición |