catadioptric

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As an adjective catadioptric

is of or pertaining to optical systems that employ both refractive (dioptric) and reflective (catoptric) elements.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective catadioptric is

(optics) of or pertaining to optical systems that employ both refractive]] (dioptric) and [[reflection|reflective (catoptric) elements.