Dioptric

Dioptric , adjective

(Optics) Of or pertaining to the dioptre, or to the metric system of numbering glasses.

(Optics) A dioptre. See Dioptre.

Dioptric , adjective

[Greek {not transcribed} belonging to the use of the {not transcribed}; {not transcribed} = dia` through + the root of {not transcribed} I shall see: compare French dioptrique.]

Of or pertaining to dioptrics; assisting vision by means of the refraction of light; refractive; as, the dioptric system; a dioptric glass or telescope.

Dioptrical principles. — Nichol

Collocations (1)

Dioptric curve (Geometry) , a Cartesian oval. See under Cartesian.

Also: Dioptrical