high-definition television

[ hahy-def-uh-nish-uhn ]

noun

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

high definition television

noun

1. 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 HDTV

Word History and Origins

Origin of high-definition television¹

First recorded in 1980–85