catacaustic
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English
[edit]Etymology
[edit]Pronunciation
[edit]- Rhymes: -ɔːstɪk
Noun
[edit]catacaustic (plural catacaustics)
- a caustic curve formed by light reflecting from a curved surface
- (mathematics) the envelope of all rays that emanate from a specified point (the radiant point) and reflect from a given curve; the evolute of the orthotomic