high definition
Americannoun
-
a system for screen display of images that are sharper and more detailed than normal, having many more than the standard number of scanning lines per frame: HD
Most TV shows are available in high definition.
-
an audio system that reproduces sound with a high degree of accuracy and clarity: HD
music recordings that use high definition.
-
an optical system that produces very sharp images. HD
Other Word Forms
Etymology
Origin of high definition
First recorded in 1980–85
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
High definition was still in its infancy in 1998.
From Washington Times • May 18, 2020
High definition - even holographic - video conferencing could enable greater participation in local government: "Town hall in the home" is one catchphrase.
From BBC • Feb. 28, 2012
High definition technology is relatively new and innovation is still earning its fair reward.
From The Guardian • Mar. 31, 2010
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
