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dioptric

American  
[dahy-op-trik] / daɪˈɒp trɪk /
Also dioptrical

adjective

  1. Optics. pertaining to dioptrics.

    dioptric images.

  2. Optics, Ophthalmology. noting or pertaining to refraction or refracted light.


dioptric British  
/ daɪˈɒptrɪk /

adjective

  1. of or concerned with dioptrics

  2. of or denoting refraction or refracted light

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

dioptric Scientific  
/ dī-ŏp′trĭk /
  1. Relating to the refraction of light, especially by a lens. Dioptric lenses are used in Fresnel lenses and camera viewfinders.

  2. Compare catadioptric catoptric


Other Word Forms


Etymology

Origin of dioptric

From the Greek word dioptrikós, dating back to 1625–35. See diopter, -ic


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A dioptric telescope, fitted with two tubes joining, so as to enable a person to view an object with both eyes at once; a doubleÏbarreled field glass or an opera glass.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Noah Webster

In fishes and reptiles, as Owen has remarked, "The range of gradation of dioptric structures is very great."

From The Origin of Species by means of Natural Selection, 6th Edition by Charles Darwin

The light is a dioptric or lens-light of the first order.

From A Yacht Voyage Round England by William Henry Giles Kingston

It consists of alternate and opposite sectors of dioptric spherical mirror, MM, and of Fresnel’s fixed light apparatus, AA.

From The Works of Robert Louis Stevenson - Swanston Edition Vol. XXII (of 25) Juvenilia and Other Papers by Robert Louis Stevenson

In a lighthouse on the dioptric system, the lantern is constructed with eight sides, which form an octagonal prism around the lamp in the centre.

From Smeaton and Lighthouses A Popular Biography, with an Historical Introduction and Sequel by John Smeaton

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