D defs.my
Entry 1 sense Webster, 1913

Catoptric

· Ca·top·tric · IPA /kaˈtɒptɹɪk/
01 a. Of or pertaining to catoptrics; produced by reflection.
  1. 1.
    Of or pertaining to catoptrics; produced by reflection.
Phrases & compounds
Catoptric light — a light in which the rays are concentrated by reflectors into a beam visible at a distance.