Definition of aliasing in English:

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Pronunciation: /ˈālēəsiNG/


1 Physics & Telecommunications The misidentification of a signal frequency, introducing distortion or error.
Example sentences
  • Analog signals are usually low-pass filtered to remove most or all of the components above the Nyquist frequency in order to avoid aliasing.
  • Optical signals were low-pass filtered at 500 Hz to prevent aliasing.
  • Any component of a sampled signal with a frequency above this limit is subject to aliasing.
2 Computing In computer graphics, the jagged, or saw-toothed appearance of curved or diagonal lines on a low-resolution monitor.
Example sentences
  • Standard-definition content looks good, but brings with it the usual artifacts: noise, line aliasing, and occasional interlacing.
  • The only real complaint I have about the graphics is the game's aliasing and flicker.
  • The worst spots are not that frequent, but the edge enhancement and aliasing are bad enough by themselves to spoil things.

For editors and proofreaders

Syllabification: a·li·as·ing

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