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caustic curve
noun
Optics.
- a curve formed by a plane section of a caustic surface.
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˜yÐÄvlog History and Origins
Origin of caustic curve1
First recorded in 1720–30
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Example Sentences
Examples have not been reviewed.
Secondary caustics are orthotomic curves having the reflected or refracted rays as normals, and consequently the proper caustic curve, being the envelope of the normals, is their evolute.
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The simplest case of a caustic curve is when the reflecting surface is a circle, and the luminous rays emanate from a point on the circumference.
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