Definition of dioptric in English:


Line breaks: di|op¦tric
Pronunciation: /dʌɪˈɒptrɪk


Relating to the refraction of light, especially in the organs of sight or in devices which aid or improve the vision.
More 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.


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

Definition of dioptric in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day bimble
Pronunciation: ˈbimbəl
walk or travel at a leisurely pace