dioptric

[ dahy-op-trik ]

adjective

1. Optics. pertaining to dioptrics:

   dioptric images.

2. Optics, Ophthalmology. noting or pertaining to refraction or refracted light.

dioptric

/ daɪˈɒptrɪk /

adjective

1. of or concerned with dioptrics
2. of or denoting refraction or refracted light

dioptric

/ dī-ŏp′trĭk /

1. Relating to the refraction of light, especially by a lens. Dioptric lenses are used in Fresnel lenses and camera viewfinders.
2. Compare catadioptric

Derived Forms

• diˈoptrically, adverb

Other Words From

• di·optri·cal·ly adverb

Word History and Origins

Origin of dioptric¹

From the Greek word dioptrikós, dating back to 1625–35. See diopter, -ic

Example Sentences

Another classification divides the instruments themselves into three classes: (a) catoptric, (b) dioptric and (c) catadioptric.

From Project Gutenberg

This optic embodied the first combination of dioptric and catoptric elements in one design (fig. 34).

From Project Gutenberg

In fixed dioptric lights there is, of course, no divergence in the horizontal plane.

From Project Gutenberg

This characteristic is usually exhibited by fixed dioptric apparatus fitted with some form of occulting mechanism.

From Project Gutenberg

The lenses employed are of cylindrical dioptric fixed-light form, usually 100 mm.

From Project Gutenberg