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Definition of high–definition
: being or relating to an often digital television system that has either 720 or 1080 scan lines per frame and a wide-screen format
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First Known Use of high–definition
1981
HIGH–DEFINITION Defined for English Language Learners
high-definition
play
adjective
Definition of high–definition for English Language Learners
-
of a television : having a very clear picture and a wide screen
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