Definition for DI-OP'TRIC, or DI-OP'TRICAL

DI-OP'TRIC, or DI-OP'TRICAL, a. [Gr. διοπτρικος, from διοπτομαι, to see through; δια and οπτομαι, to see.]

  1. Affording a medium for the sight; assisting the sight in the view of distant objects; as, a dioptric glass. – Boyle.
  2. Pertaining to dioptrics, or the science of refracted light.

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