catacaustic

[ kat-uh-kaw-stik ]
/ ˌkæt əˈkɔ stɪk /
Mathematics, Optics.

adjective

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

noun

a catacaustic surface or curve.

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Origin of catacaustic

First recorded in 1700–10; cata- + caustic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for catacaustic

catacaustic
/ (ˌkætəˈkɔːstɪk, -ˈkɒs-) physics /

adjective

(of a caustic curve or surface) formed by reflected light raysCompare diacaustic

noun

a catacaustic 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