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megapixel

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

First recorded in 1980–85; mega-+ pixel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for megapixel

megapixel

noun
  1. computing one million pixels: a term used to describe the degree of resolution supplied by digital cameras, scanners, etc
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for megapixel

n.

by 1977, from mega- + pixel.

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Online Etymology Dictionary, © 2010 Douglas Harper