high-definition television
[
hahy
-def-
uh
-
nish
-
uh
n]
/ˈhaɪˌdɛf əˈnɪʃ ən/
noun
1.
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
1980-85