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Related to aliasing: Anti aliasing
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.
(Broadcasting) radio television the error in a vision or sound signal arising from limitations in the system that generates or processes the signal
a•li•as•ing(ˈeɪ li ə sɪŋ)
The distortion of graphic elements on a computer screen. See also jaggies.