"Catacaustic" is a word in ENGLISH

catacaustic ENGLISH
Definition:

Relating to, or having the properties of, a caustic
curve formed by reflection. See Caustic, a.

catacaustic ENGLISH
Definition:

A caustic curve formed by reflection of light.

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caustic ENGLISH

A caustic curve or caustic surface.

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diacaustic ENGLISH

Pertaining to, or possessing the properties of, a species of caustic curves formed by refraction. See Caustic surface, under Caustic.

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