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aliasing

[ ey-lee-uh-sing ]
/ ˈeɪ li ə sɪŋ /
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noun Computers.

a jagged, stairstep effect on curved or diagonal lines that are reproduced in low resolution, as on a computer printout or digital display.

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Also called jaggies.
Compare antialiasing.

Origin of aliasing

First recorded in 1975–80; alias + -ing1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for aliasing

aliasing
/ (ˈeɪlɪəsɪŋ) /

noun

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

Scientific definitions for aliasing

aliasing
[ ālē-ə-sĭng ]

Jagged distortions in curves and diagonal lines in computer graphics caused by limited or diminished screen resolution. Compare antialiasing.
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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