dioptric

[ dahy-op-trik ]

/ daɪˈɒp trɪk /

adjective

Optics. pertaining to dioptrics: dioptric images.

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

Nearby words

diopsimeter, dioptase, diopter, dioptometer, dioptre, dioptric, dioptric aberration, dioptrics, dior, dior, christian, diorama

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

/ (daɪˈɒptrɪk) /

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.