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1 definition found
 for pixel
From The Free On-line Dictionary of Computing (18 March 2015) :

  picture element
      (pixel) The smallest resolvable rectangular area of
     an image, either on a screen or stored in memory.  Each
     pixel in a monochrome image has its own brightness, from 0
     for black to the maximum value (e.g. 255 for an eight-bit
     pixel) for white.  In a colour image, each pixel has its own
     brightness and colour, usually represented as a triple of red,
     green and blue intensities (see RGB).
     Compare voxel.

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