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dioptrics

American  
[dahy-op-triks] / daɪˈɒp trɪks /

noun

(used with a singular verb)
  1. the branch of geometrical optics dealing with the formation of images by lenses.


dioptrics British  
/ daɪˈɒptrɪks /

noun

  1. (functioning as singular) the branch of geometrical optics concerned with the formation of images by lenses

"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

Etymology

Origin of dioptrics

1635–45; see dioptric ( def. ), -ics

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.

That part of optics which treats of the refraction of light; Ð commonly called dioptrics.

From Webster's Unabridged Dictionary by Webster, Noah

He applied this geometrical and inventive genius to dioptrics, which, when treated of by him, became a new art. 

From Letters on England by Voltaire

In dioptrics, is a geometrical solid bounded by three parallelograms, whose bases are equal triangles.

From The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. by Belcher, Edward, Sir

Quinola Senor knows mechanics, ballistics, mathematics, dioptrics, catoptrics, statistics?

From The Resources of Quinola by Balzac, Honoré de

In 1604 he published “A Supplement to Vitellion,” containing the earliest known reasonable theory of optics, and especially of dioptrics or vision through lenses.

From Kepler by Bryant, Walter W. (Walter William)