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comparative more dioptric, superlative most dioptric
Acting as a medium for sight; making use of refraction (of lenses, etc.). examples
(obsolete) Pertaining to a diopter. quotations
[W]ould the new Narcissus—without any dioptric or sciatherical computing—grasp the alternating skirmish of light and shadow.
2014, Umberto Eco, Island of the Day Before, London: Vintage Books, page 363
(obsolete) Capable of being seen through.
plural dioptrics
(in the plural) The branch of optics concerned with refraction. examples
A dioptric telescope. examples