dioptric

[dahy-op-trik]

adjective

Optics. pertaining to dioptrics: dioptric images.
Optics, Ophthalmology. noting or pertaining to refraction or refracted light.

Also di·op·tri·cal.

Origin of dioptric

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

Related formsdi·op·tri·cal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dioptric

Historical Examples of dioptric

Two methods of lighting have been employed—the Catoptric and the Dioptric systems.
Grace Darling
Eva Hope
In order to complete the dioptric apparatus a lens is necessary.
The Origin of Vertebrates
Walter Holbrook Gaskell
We have (with the consent of the author) altered these to the dioptric system.
Schweigger on Squint
C. Schweigger
In fishes and reptiles, as Owen has remarked, "The range of gradation of dioptric structures is very great."
On the Origin of Species
Charles Darwin
A new lantern and dioptric apparatus were erected on the tower in 1902.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6
Various

British Dictionary definitions for dioptric

dioptric

dioptrical

adjective

of or concerned with dioptrics
of or denoting refraction or refracted light

Derived Formsdioptrically, adverb

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 in Science

dioptric

[dī-ŏp′trĭk]

Relating to the refraction of light, especially by a lens. Dioptric lenses are used in Fresnel lenses and camera viewfinders. Compare catadioptric catoptric.