diacaustic

diacaustic

(ˌdaɪəˈkɔːstɪk; -ˈkɒs-)
adj
(General Physics) (of a caustic curve or surface) formed by refracted light rays
n
(General Physics) a diacaustic curve or surface
References in periodicals archive ?
In mathematical language, a catacaustic is a set of reflected rays and a diacaustic is a set of refracted rays.