Catoptric
Pronunciation : Ca*top"tric, Ca*top"tric*al
Part of Speech : a.
Etymology : [Gr. Catopter.]
Definition : Defn: 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