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high-definition television

[hahy-def-uh-nish-uh n]
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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
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Origin of high-definition television

First recorded in 1980–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018