Definition of catoptric in English:


Line breaks: cat|op¦tric
Pronunciation: /kaˈtɒptrɪk


  • Relating to a mirror, a reflector, or reflection.
    More example sentences
    • The jewel of the site is the catoptric light with its brass and steel clockwork to turn it.
    • Ambrose, built in 1952-53, is the only lightship equipped with a modern catoptric type lens.
    • Prior to that the single catoptric fixed white light was powered by three burners.


[treated as singular] Back to top  
  • The branch of optics that deals with reflection.
    More example sentences
    • It was called ‘dioptrics’ because it dealt with the refraction of light rather than with reflection (‘catoptrics’).
    • In your presence, my dear Menelaus, I am ashamed to confute a mathematical proposition, the foundation on which rests the subject of catoptrics.


mid 16th century: from Greek katoptrikos 'reflecting', from katoptron 'mirror'.

More definitions of catoptric

Definition of catoptric in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
(in science fiction) navigation in outer space