megapixel

megapixel

[meg-uh-pik-suhl, -sel]
noun Computers, Television.
a unit equal to one million pixels, used to measure the resolution of a digital image: My camera has a resolution of 12 megapixels.

Origin:
1980–85; mega-+ pixel

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Collins
World English Dictionary
megapixel (ˈmɛɡəˌpɪksəl)
 
n
computing one million pixels: a term used to describe the degree of resolution supplied by digital cameras, scanners, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
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Dictionary.com's 21st Century Lexicon
Main Entry:  megapixel
Part of Speech:  n
Definition:  a unit of graphic resolution, 1,048,576 or 220 pixels, the speed at which a graphics card can display data
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Etymonline
Word Origin & History

megapixel
by 1977, from mega- + pixel.
Online Etymology Dictionary, © 2010 Douglas Harper
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