follow Dictionary.com

Gray vs. grey? What's the difference?

high definition

noun
1.
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:
Most TV shows are available in high definition.
Abbreviation: HD.
2.
an audio system that reproduces sound with a high degree of accuracy and clarity:
music recordings that use high definition.
Abbreviation: HD.
3.
an optical system that produces very sharp images.
Abbreviation: HD.
Origin of high definition
1980-1985
1980-85
Related forms
high-definition, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for high definition

Word of the Day

Word Value for high

11
10
Scrabble Words With Friends

Quotes with high definition