An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Wollaston prism
  منشور ِ وُلاستون  
manšur-e Wollaston (#)
Fr.: prisme de Wollaston  

An optical device for producing and analyzing polarized light. It divides
incoming unpolarized light into two orthogonal, linearly polarized beams. It consists of two prisms of either quartz or calcite cemented together.

See also: After the English scientist William Hyde Wollaston (1766-1828); → prism.