diacaustic

[ dahy-uh-kaw-stik ]
/ ˈdaɪ əˈkɔ stɪk /
Mathematics, Optics.

adjective

noting a caustic surface or curve formed by the refraction of light.

noun

a diacaustic surface or curve.
Compare catacaustic.

Origin of diacaustic

First recorded in 1695–1705; dia- + caustic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for diacaustic

British Dictionary definitions for diacaustic

diacaustic

/ (ˌdaɪəˈkɔːstɪk, -ˈkɒs-) /

adjective

(of a caustic curve or surface) formed by refracted light rays

noun

a diacaustic curve or surface
Compare catacaustic
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