Definitions for diacaustic
A refracting lens, which can be used to cauterise.
The curve or surface formed by the intersection of refracted light rays.
Relating to the caustic curves formed by the refraction of light.
pertaining to, or possessing the properties of, a species of caustic curves formed by refraction. See Caustic surface, under Caustic
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