catacaustic en · NOUN
Pronunciation
- /ˌkætəˈkɒstɪk/ (UK)
- /ˌkætəˈkɔːstɪk/ (UK)
- /ˌkætəˈkɑstɪk/ (General-American, cot-caught-merger)
- (Southern-England) audio
Etymology
Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Indo-European *ḱm̥-th₂der.? Proto-Hellenic *kətá Ancient Greek κᾰτᾰ́ (kătắ) Ancient Greek κᾰτᾰ- (kătă-) English cata- English caustic English catacaustic From cata- + caustic.
Meanings
- a caustic curve formed by light reflecting from a curved surface
- 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
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| catacaustics | Number=Plur | lexicographic |
Deriveds
cycloid catacaustic · parabola catacaustic · natural logarithm catacaustic · cissoid of Diocles catacaustic · logarithmic spiral catacaustic · Tschirnhausen cubic catacaustic · deltoid catacaustic · circle catacaustic · cardioid catacaustic · ellipse catacaustic