Dioptrical

Dioptrical
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. ``Dioptrical principles.'' --Nichol. [1913 Webster]

{Dioptric curve} (Geom.), a Cartesian oval. See under {Cartesian}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • dioptrical — adjective /daɪˈɒptrɪkəl/ Acting as a medium for sight; making use of refraction (of lenses etc.). , 1759: had the said glass been there set up, nothing more would have been wanting, in order to have taken a mans character, but to have taken a… …   Wiktionary

  • dioptrical — di·op·tri·cal …   English syllables

  • dioptrical — adjective see dioptric I …   Useful english dictionary

  • 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 Collaborative International Dictionary of English

  • Dioptric curve — 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;… …   The Collaborative International Dictionary of English

  • dioptric — dioptrically, adv. /duy op trik/, adj. 1. Optics. pertaining to dioptrics: dioptric images. 2. Optics, Ophthalm. noting or pertaining to refraction or refracted light. Also, dioptrical. [1625 35; < Gk dioptrikós. See DIOPTER, IC] * * * …   Universalium

  • aberración dióptrica — Eng. Dioptrical aberration Ver aberración esférica …   Diccionario de oftalmología

  • dioptric — /daɪˈɒptrɪk/ (say duy optrik) adjective 1. Optics relating to dioptrics: dioptric images. 2. Ophthalmology assisting vision by refractive correction. Also, dioptrical. {Greek dioptrikos relating to the use of the dioptra. See dioptre}… …  

  • dioptric — [dī äp′trik] adj. [Gr dioptrikos, relating to the DIOPTER] 1. of optical lenses or the method of numbering them according to their refractive powers; dioptral 2. of dioptrics; refractive 3. helping the sight by refractive correction: Also… …   English World dictionary

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