|
(), Diop"trical ()} 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. Dioptric curve (Geom.), a Cartesian oval. See under Cartesian. スポンサード リンク
|