catoptrical

 : 
Adjective
 : 
ca=top=tri=cal

WORDNET DICTIONARY

Adjective catoptrical has 1 sense

CIDE DICTIONARY

catoptricala. [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.

For further exploring for "catoptrical" in Webster Dictionary Online


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