Dioptric

Di*op"tric

(?), a. (Optics) Of or pertaining to the dioptre, or to the metric system of numbering glasses. -- n. A dioptre. See Dioptre.

{

Di*op"tric

(?),

Di*op"tric*al

(?), } a. [Gr. belonging to the use of the ; = dia` through + the root of I shall see: cf. F. dioptrique.] Of or pertaining to dioptrics; assisting vision by means of the refraction of light; refractive; as, the dioptric system; a dioptric glass or telescope. "Dioptrical principles." Nichol.
[1913 Webster]

Dioptric curve (Geom.), a Cartesian oval. See under Cartesian.
[1913 Webster]

 

New - Add Dictionary Search to Your Site

You can add a free dictionary search box to your own web site by copying and pasting the following HTML into one of your web pages:

<form action="http://www.freedict.co.uk/search.php" method="post">
 <p style="text-align: center; font-family: sans-serif;">
  <a style="font-weight: bold;" href="http://www.freedict.co.uk/"
     title="FreeDict free online dictionary">FreeDict</a>
  <input type="text" name="word" size="20" value="" />
  <input type="submit" name="submit" value="Search Dictionary" />
 </p>
</form>

 

a b c d e f g h i j k l m n o p q r s t u v w x y z

Mon 10th December 2018