noun
high-def; high definition; HD
Abbreviation of ハイデフィニション. Used in contexts like TV, video, and digital media to refer to high-definition quality.
See also: ハイデフィニション
このテレビはハイデフ対応です。
This TV supports high-def.
ハイデフで映画を見ると、映像がとてもきれいだ。
When you watch a movie in high-def, the picture is very clear.