'Catoptrical' definitions:
Definition of 'catoptrical'
From: WordNet
adjective
Of or relating to catoptrics; produced by or based on mirrors [syn: catoptric, catoptrical]
Definition of 'Catoptrical'
From: GCIDE
- Catoptric \Ca*top"tric\, Catoptrical \Ca*top"tric*al\, a. [Gr. ?. See Catopter.] Of or pertaining to catoptrics; produced by reflection. [1913 Webster]
- Catoptric light, a light in which the rays are concentrated by reflectors into a beam visible at a distance. [1913 Webster]