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
Derived 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.
On its wooden case, in her starboard fore-rigging, a dioptric lens sent out the faint green glow of a lamp's light into the sunshine.
From A Master of Fortune Being Further Adventures of Captain Kettle by Wood, Stanley L.
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 Smeaton, John
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 Stevenson, Robert Louis
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
Ramsden’s dioptric micrometer consists of a divided lens placed in the conjugate focus of the innermost lens of the erecting eye-tube of a terrestrial telescope.
From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various
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.
