catoptrics

[kuh-top-triks]

noun

(used with a singular verb)

1. the branch of optics dealing with the formation of images by mirrors.

catoptrics

/ kəˈtɒptrɪks /

noun

1. (functioning as singular) the branch of optics concerned with reflection, esp the formation of images by mirrors

Other Word Forms

• catoptric adjective
• catoptrical adjective
• catoptrically adverb

Word History and Origins

Origin of catoptrics¹

1560–70; < Greek katoptrikós, equivalent to kátoptr ( on ) mirror ( kat- cat- ( def. ) + op- see + -tron suffix of instruments) + -ikos -ic; -ics

Word History and Origins

Origin of catoptrics¹

C18: from Greek katoptrikos, from katoptron mirror

Related Words

• optical fiber