noting a caustic surface or curve formed by the refraction of light.
a diacaustic surface or curve.
Origin of diacaustic
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Diacaustic, dī-a-kaws′tik, adj. pertaining to curves formed by the intersections of rays of refracted light.
(of a caustic curve or surface) formed by refracted light rays
a diacaustic curve or surface
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012