Medical Definition of Pincushion distortion
1.
A geometrical distortion in a video picture, or a form of optical aberration, that makes the middle of all sides of a square appear to bow inward. The distortion can amount to several percent of the picture height in some intensified camera tubes.
See: Aberration, Distortion, Barrel distortion.
(05 Aug 1998)
Lexicographical Neighbors of Pincushion Distortion
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