high-definition television

American  

[hahy-def-uh-nish-uhn] / 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. HDTV

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high definition television British  

noun

1.  HDTV.  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

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Etymology

Origin of high-definition television

First recorded in 1980–85

Example Sentences

He also scored big in business, helping to pioneer such products as NutraSweet and high-definition television and earning millions of dollars salvaging large troubled firms.

From Washington Post • Jun. 30, 2021

Today's high-definition television picture has a 16:9 aspect ratio—a rectangle with those proportions.

From Scientific American • Mar. 20, 2018

Of those, at least 115 are broadcast in standard definition—which means they look terrible on my high-definition television, so I don't watch them.

From Time • Aug. 15, 2017

Image resolution is roughly four times that of a conventional high-definition television camera.

From Washington Times • Mar. 27, 2017

Too, the advent of high-definition television and the flourishing of larger screens has increased the emphasis on visuals, which makes TV a more rewarding undertaking for directors.

From Seattle Times • Jan. 23, 2015