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.
Since then, several more dioptric lights have been sent to the same region, and also to Japan in 1869, and all reports agree in describing these lights as being eminently successful.
From The Floating Light of the Goodwin Sands by R. M. (Robert Michael) Ballantyne
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 John Tyndall
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
There is no dioptric apparatus in Nautilus, and in place of refracting lens and cornea we have actually here an arrangement for forming an image on the principle of “the pin-hole camera.”
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various
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
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.
