Lectionary Calendar
Friday, October 3rd, 2025
the Week of Proper 21 / Ordinary 26
the Week of Proper 21 / Ordinary 26
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Bible Dictionaries
Dioptrics
Webster's Dictionary
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(n.) The science of the refraction of light; that part of geometrical optics which treats of the laws of the refraction of light in passing from one medium into another, or through different mediums, as air, water, or glass, and esp. through different lenses; - distinguished from catoptrics, which refers to reflected light.
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Text Courtesy of BibleSupport.com. Used by Permission.
These files are public domain.
Text Courtesy of BibleSupport.com. Used by Permission.
Bibliography Information
Webster, Noah. Entry for 'Dioptrics'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/d/dioptrics.html. 1828.
Webster, Noah. Entry for 'Dioptrics'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/d/dioptrics.html. 1828.
