Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

high-definition

adjective [before noun]
 
 
/ˌhaɪ.def.ɪˈnɪʃ.ən/ (abbreviation HD, high-def)

Definition

used to describe a system for showing very clear pictures on a television or computer screen or for producing very clear sound: high-definition televisionTelevision
(Definition of high-definition adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of high-definition