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diacaustic

[dahy-uh-kaw-stik] /ˈdaɪ əˈkɔ stɪk/ Mathematics, Optics.
adjective
1.
noting a caustic surface or curve formed by the refraction of light.
noun
2.
a diacaustic surface or curve.
Compare catacaustic.
Origin of diacaustic
1695-1705
First recorded in 1695-1705; dia- + caustic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for diacaustic

diacaustic

/ˌdaɪəˈkɔːstɪk; -ˈkɒs-/
adjective
1.
(of a caustic curve or surface) formed by refracted light rays
noun
2.
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
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