dioptric
Americanadjective
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Optics. pertaining to dioptrics.
dioptric images.
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Optics, Ophthalmology. noting or pertaining to refraction or refracted light.
adjective
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of or concerned with dioptrics
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of or denoting refraction or refracted light
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Relating to the refraction of light, especially by a lens. Dioptric lenses are used in Fresnel lenses and camera viewfinders.
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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.
The tower was built, I believe, by Queen Adelaide, and it contains a fine dioptric apparatus of the first order, constructed by Messrs. Chance, of Birmingham.
From Fragments of science, V. 1-2 by Tyndall, John
There was one of Stevenson's new cages of dioptric prisms around the flame, and once every minute it was turned by clockwork, flashing a broad belt of radiance fifteen miles across the sea.
From The Ruling Passion; tales of nature and human nature by Van Dyke, Henry
The light is a dioptric or lens-light of the first order.
From A Yacht Voyage Round England by Kingston, William Henry Giles
The light is of the dioptric kind—bright, steady, and uniform, and when the weather is too foggy to allow it to be seen, a bell is tolled by machinery, to give the needful warning.
From The Sea: Its Stirring Story of Adventure, Peril, & Heroism. Volume 2 by Whymper, Frederick
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 Webster, Noah
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
