noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of high-definition television. abbreviation, alt-of, countable, initialism, uncountable
2. 2
   a television system that has more than the usual number of lines per frame so its pictures show more detail wordnet

Synonyms

All synonyms

high definition televisionhi def tvhigh-definition television

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.