(n.) That part of optics which treats of the refraction of light; - commonly called dioptrics.
A timeless resource no serious scholar should be without. With more than 75,000 entries, if it is a word used in the Bible, you are sure to find it defined here.Wikipedia
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A timeless resource no serious scholar should be without. With more than 75,000 entries, if it is a word used in the Bible, you are sure to find it defined here.Wikipedia
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