Mackie line

noun Mack·ie line \ˈmakē-\

Definition of Mackie line

  1. :  a light outline at the edge of dense or dark parts of a photographic image caused by a retardation of development in the edge area — compare adjacency effect

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Origin and Etymology of mackie line

after Alexander Mackie, 19th century scientist

Seen and Heard

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a rounded knoll or a ridge of ice

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