DIACAUSTIC

Etymology

Adjective

diacaustic (not comparable)

Relating to the caustic curves formed by the refraction of light.

Noun

diacaustic (plural diacaustics)

A refracting lens, which can be used to cauterise.

The curve or surface formed by the intersection of refracted light rays.

Source: Wiktionary

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

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

Di`a*caus"tic, n.

1. (Med.)

Definition: 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.)

Definition: A curved formed by the consecutive intersections of rays of light refracted through a lens.

Source: Webster’s Unabridged Dictionary 1913 Edition

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