Di`a*caus"tic (?), a. [Pref. dia- + caustic.] Opt.

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


© Webster 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.


© Webster 1913.

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