adjective Date: 1981 being or relating to an often digital television system that has twice as many scan lines per frame as a conventional system, a proportionally sharper image, and a wide-screen format
HIGH-DEFINITION
Meaning of HIGH-DEFINITION in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012