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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 diacaustic
 折光; 折射散焦線

From: Webster's Revised Unabridged Dictionary (1913)

 Di·a·caus·tic a.  Opt. Pertaining to, or possessing the properties of, a species of caustic curves formed by refraction. See Caustic surface, under Caustic.

From: Webster's Revised Unabridged Dictionary (1913)

 Di·a·caus·tic, n.
 1. Med. That which burns by refraction, as a double convex lens, or the sun's rays concentrated by such a lens, sometimes used as a cautery.
 2. Math. A curved formed by the consecutive intersections of rays of light refracted through a lens.