caustic curve
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English
[edit]Noun
[edit]caustic curve (plural caustic curves)
- (optics) A curve to which the ray of light, reflected or refracted by another curve, are tangents, the reflecting or refracting curve and the luminous point being in one plane.
- Caustic curves and surfaces are called catacaustic when formed by reflection, and diacaustic when formed by refraction.