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• high-definition television
  high-definition television

  noun

  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
  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

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

Forecasters said the $1 billion GOES-16 weather satellite, launched in November, is as significant an upgrade as switching to high-definition television, with more detailed images and more channels looking at storms.

From Seattle Times • Jun. 1, 2017

Maddon compared analytics to other improvements, such as high-definition television.

From Washington Times • Mar. 11, 2016