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8 Words That Are Older Than You Think

bitmap

[bit-map] /ˈbɪtˌmæp/
noun
1.
a piece of text, a drawing, etc., represented, as on a computer display, by the activation of certain dots in a rectangular matrix of dots.
Also, bit map.
Related forms
bitmapped, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for bit-mapped

bitmap

/ˈbɪtˌmæp/
noun (computing)
1.
a picture created on a visual display unit where each pixel corresponds to one or more bits in memory, the number of bits per pixel determining the number of available colours
verb -maps, -mapping, -mapped
2.
(transitive) to create a bitmap of
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
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Word Origin and History for bit-mapped

bitmap

n.

1973, in computer jargon, from bit (n.2) + map. Literally, a map of bits.

Online Etymology Dictionary, © 2010 Douglas Harper
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bit-mapped in Science
bitmap
  (bĭt'māp')   
Computer Science
A set of bits that represents a graphic image. Each bit or group of bits corresponds to a pixel in the image. Optical scanners and fax machines convert text or pictures into bitmaps.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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