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 (ā′lē-ə-sĭng, āl′yə-)
1. Visible or audible distortion introduced into digital information, such as images or audio signals, caused when a continuous line or transition is not smoothly captured or represented because of the low resolution or sampling rate of a digital medium.
2. The appearance of jagged distortions in curves and diagonal lines in computer graphics.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Broadcasting) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈeɪ li ə sɪŋ)
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


The distortion of graphic elements on a computer screen. See also jaggies.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
References in periodicals archive ?
Given our summer, we'd settle for simply an average amount of rain, the amount stair-stepping upward to its December crescendo: 1.29 inches in September, 3.24 in October, 7.72 in November and 7.83 in December.
Its belt folds into a small flight of stairs, which creates a stair-stepping effect, much like an escalator.
To reduce stair-stepping, be sure that the anvil is sufficiently hard--90 to 95 durometer.