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aliasing

[ey-lee-uh-sing] /ˈeɪ li ə sɪŋ/
noun
1.
a jagged, stairstep effect on curved or diagonal lines that are reproduced in low resolution, as on a computer printout or display.
Also called jaggies.
Compare antialiasing
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for aliasing
  • Where film's diagonal lines sometimes appear jagged on plasma, this set runs a special anti-aliasing algorithm to fix the problem.
  • Velocity aliasing is a particularly difficult problem that generally requires human intervention to do nearly perfectly.
  • aliasing is a seen when a thin straight line is slightly tilted with respect to the array of pixels.
  • aliasing of data causes the introduction of a false signal that is not contained in the original data.
  • Because small features can have anomalies as big or bigger than larger deeper features the potential for aliasing is great.
British Dictionary definitions for aliasing

aliasing

/ˈeɪlɪəsɪŋ/
noun
1.
(radio, television) the error in a vision or sound signal arising from limitations in the system that generates or processes the signal
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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aliasing in Science
aliasing
  (ā'lē-ə-sĭng)   
  1. Jagged distortions in curves and diagonal lines in computer graphics caused by limited or diminished screen resolution. Compare antialiasing.

  2. Distortion in a reproduced sound wave caused by a low sampling rate during the recording of the sound signal as digital information.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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aliasing in Technology

1. When several different identifiers refer to the same object. The term is very general and is used in many contexts.
See alias, aliasing bug, anti-aliasing.
2. (Or "shadowing") Where a hardware device responds at multiple addresses because it only decodes a subset of the address lines, so different values on the other lines are ignored.
(1998-03-13)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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