catoptric, catoptrical
(adjective) of or relating to catoptrics; produced by or based on mirrors
Source: WordNet® 3.1
catoptric (not comparable)
Of, relating to, or produced by mirrors or reflections.
• protactic
Source: Wiktionary
Ca*top"tric, Ca*top"tric*al, a. Etym: [Gr. Catopter.]
Definition: Of or pertaining to catoptrics; produced by reflection. Catoptric light, a light in which the rays are concentrated by reflectors into a beam visible at a distance.
Source: Webster’s Unabridged Dictionary 1913 Edition
16 January 2025
(noun) a collection of rules or prescribed standards on the basis of which decisions are made; “they run things by the book around here”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
