- Pertaining to, or possessing the properties of, a
species of caustic curves formed by refraction. See Caustic surface,
under Caustic.
2 . Diacaustic
[ n.]
- That which burns by refraction, as a double convex
lens, or the sun's rays concentrated by such a lens, sometimes used as
a cautery. - A curved formed by the consecutive intersections of
rays of light refracted through a lens.