aliasing

noun

ali·​as·​ing ˈā-lē-ə-siŋ How to pronounce aliasing (audio)
ˈāl-yə-
: an error or distortion created in a digital image that usually appears as a jagged outline
We commonly observe aliasing on television. This occurs when there is an insufficient magnification produced by the lens of a TV camera focused on periodic structures such as the pattern of pinstripes in an announcer's shirt, bricks in the wall of a house, or seats in an empty stadium.Douglas B. Murphy, Fundamentals of Light Microscopy and Electronic Imaging, 2001

Word History

First Known Use

1977, in the meaning defined above

Time Traveler
The first known use of aliasing was in 1977

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Cite this Entry

“Aliasing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aliasing. Accessed 20 Jun. 2024.

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