catoptric
kætɒpˈtrɪk
Definitions
1. adjective
relating to or using mirrors
“The catoptric method of observing celestial bodies was used by ancient astronomers.”
2. noun
a figure or design formed by the reflection of light from a mirror or other polished surface
“The catoptric patterns on the wall added a unique touch to the art installation.”
3. noun
a type of optical instrument that uses reflection to magnify or manipulate light
“The catoptric telescope allowed scientists to study the Sun’s corona in detail.”