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catacaustic

American  
[kat-uh-kaw-stik] / ˌkæt əˈkɔ stɪk /

adjective

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

noun

  1. a catacaustic surface or curve.

catacaustic British  
/ ˌkætəˈkɔːstɪk, -ˈkɒs- /

adjective

  1. (of a caustic curve or surface) formed by reflected light rays Compare diacaustic

"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

noun

  1. 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

Etymology

Origin of catacaustic

First recorded in 1700–10; cata- + caustic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.