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. 2019

Examples from the Web for dioptric

Two methods of lighting have been employed—the Catoptric and the Dioptric systems.
Grace Darling|Eva Hope
Mercury rotation; univalve 164 in azimuth, with 164 dioptric mirror in rear.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6|Various
A new lantern and dioptric apparatus were erected on the tower in 1902.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6|Various
We have (with the consent of the author) altered these to the dioptric system.
Schweigger on Squint|C. Schweigger

This optic embodied the first combination of dioptric and catoptric elements in one design (fig. 34).
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

Science definitions for dioptric

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.