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Zöllner lines

Pronunciation: tsorl'ner

Definition: figures devised to show the possibility of optic illusions; a common one consists of two parallel lines that are met by numerous short lines obliquely placed; the parallel lines then seeming to converge or diverge.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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