high-definition television

[ hahy-def-uh-nish-uh n ]
/ ˈhaɪˌdɛf əˈnɪʃ ən /

noun

a television system having twice the standard number of scanning lines per frame and producing a sharper image, and greater picture detail. Abbreviation: HDTV

Origin of high-definition television

First recorded in 1980–85

British Dictionary definitions for high definition television

high definition television

noun

a television system offering a picture with superior definition, using 1000 or more scanning lines, and possibly a higher field repetition rate to reduce flicker effects Abbreviation: HDTV