CATACAUSTIC

Etymology

Noun

catacaustic (plural catacaustics)

a caustic curve formed by light reflecting from a curved surface

(mathematics) the envelope of all rays that emanate from a specified point (the radiant point) and reflect from a given curve; the evolute of the orthotomic

Source: Wiktionary


Cat`a*caus"tic, a. Etym: [Pref. cata + caustic.] (Physics)

Definition: Relating to, or having the properties of, a caustic curve formed by reflection. See Caustic, a. Nichol.

Cat`a*caus"tic, n. (Physics)

Definition: A caustic curve formed by reflection of light. Nichol.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

13 May 2025

DAZED

(adjective) in a state of mental numbness especially as resulting from shock; “he had a dazed expression on his face”; “lay semiconscious, stunned (or stupefied) by the blow”; “was stupid from fatigue”


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