diacaustic (not comparable)
Relating to the caustic curves formed by the refraction of light.
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
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
2 May 2025
(noun) excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine
Coffee dates back to the 9th century. Goat herders in Ethiopia noticed their goats seem to be “dancing” after eating berries from a particular shrub. They reported it to the local monastery, and a monk made a drink out of it. The monk found out he felt energized and kept him awake at night. That’s how the first coffee drink was born.
