Dioptric is a 8 letter English word. It's valid Scrabble word worth 13 points. It's valid Words with friends word worth 15 points.
You can make 214 anagrams from letters in dioptric (cdiioprt).
From the Greek word dioptrikós, dating back to 1625-35. See diopter, -ic
We have (with the consent of the author) altered these to the dioptric system.
This optic embodied the first combination of dioptric and catoptric elements in one design (fig. 34).
A dioptric apparatus for the purpose of forming an image on the sensory cells.
A new lantern and dioptric apparatus were erected on the tower in 1902.
The unit of power employed by spectacle-makers is termed the diopter or dioptric (see Spectacles).
In fishes and reptiles, as Owen has remarked, "The range of gradation of dioptric structures is very great."
Mercury rotation; univalve 164 in azimuth, with 164 dioptric mirror in rear.
In order to complete the dioptric apparatus a lens is necessary.
Another classification divides the instruments themselves into three classes: (a) catoptric, (b) dioptric and (c) catadioptric.
Two methods of lighting have been employed—the Catoptric and the dioptric systems.