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
- high-definition adjective
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.
Tidied into high definition, they often appear restless.
From Los Angeles Times
He said the restaurant had installed high definition cameras "to boost security".
From BBC
Since at least 2011, officials at DHS have promised a shoes-on future, and the department’s own science arm developed and licensed a “high definition–advanced imaging technology shoe scanner.”
From Slate
Sir David's programmes have gone from being shot on 16mm film stock with clockwork cameras in 1954 to ultra high definition 4k in the present day.
From BBC
Some 17 months later, Manthan was reborn in ultra high definition 4K.
From BBC
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.
