Share this entry

Share this page

dioptric

Syllabification: di·op·tric
Pronunciation: /dīˈäptrik
 
/

Definition of dioptric in English:

adjective

Of or relating to the refraction of light, especially in the organs of sight or in devices that aid or improve the vision.
Example sentences
  • The dioptric power of this liquid lens depends on the refractive indices of the materials and the radius of curvature of the interface.
  • The dioptric system helps focus the image on the retina.
  • If the lens had an index of 1.53, the dioptric value of that radius of curvature would be 4.64 diopters.

Origin

mid 17th century: from Greek dioptrikos, from dioptra, a kind of theodolite (see diopter).

Definition of dioptric in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day Sprachgefühl
Pronunciation: ˈSHpräkɡəˌf(y)o͞ol
noun
intuitive understanding of a language’s natural idiom…