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De - Pt| English Dictionary: dioptric | by the DICT Development Group |
| 2 results for dioptric | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
|
Dioptric \Di*op"tric\, a. (Optics) Of or pertaining to the dioptre, or to the metric system of numbering glasses. -- n. A dioptre. See {Dioptre}. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
|
Dioptric \Di*op"tric\, Dioptrical \Di*op"tric*al\, a. [Gr. [?] belonging to the use of the [?]; [?] = dia` through + the root of [?] I shall see: cf. F. 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. [bd]Dioptrical principles.[b8] --Nichol. {Dioptric curve} (Geom.), a Cartesian oval. See under {Cartesian}. | |
