from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a caustic curve formed by light reflecting from a curved surface
- n. 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
from the GNU version of the Collaborative International Dictionary of English
- adj. Relating to, or having the properties of, a caustic curve formed by reflection. See caustic, a.
- n. A caustic curve formed by reflection of light.
from The Century Dictionary and Cyclopedia
- In geometry, belonging to caustic curves formed by reflection.
- n. In optics, a caustic curve formed by the reflection of the rays of light: so called to distinguish it from the diacaustic, which is formed by refracted rays. See caustic, n., 3.
Sorry, no etymologies found.