catoptric

/kəˈtɑptrɪk/
adjective
  1. Relating to mirrors or reflection, especially in optics.
    • In ancient times, catoptric devices were used to focus sunlight for starting fires.
    • The catoptric properties of the telescope's mirrors allowed astronomers to see distant galaxies.
    • The museum displayed a catoptric instrument that could project images using reflected light.
Synonyms
What does "catoptric" mean? | whatsthatwordmean | whatsthatwordmean