Meaning of catoptrics | Babel Free

Definitions

The branch of optics dealing with reflection.

uncountable

Examples

“'tis ordinary to see strange uncouth sights by catoptrics; who knows not that if in a dark room the light be admitted at one only little hole, and a paper or glass put upon it, the sun shining will represent on the opposite wall all such objects as are illuminated by his rays?”

CEFR level