Hd full form: HD definition

HD definition: 1. abbreviation for high-definition: used to describe a system for showing very clear pictures on a…. Learn more. What is the full form of HD? - High Definition - High Definition (HD) is a display resolution of higher resolution than Standard Definition (S HD stands for High Definition, a resolution that denotes a higher quality or a more refined image than the standard definition. Learn about the origin, concept, applications and formats of HDTV and related technologies. Learn the difference between QHD & UHD, HD and Full HD, & what is HD, 2K, 4K, 5K and 8K UHD. We've explained the screen resolution sizes and display pixels.