dioptric

1. a. Of or pertaining to the dioptre, or to the metric system of numbering glasses. Source: opted

2. n. A dioptre. See Dioptre. Source: opted

3. a. Alt. of Dioptrical Source: opted

4. Of or pertaining to the dioptre, or to the metric system of numbering glasses. -- n. A dioptre. See Dioptre. 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. Source: webster

5. Of or pertaining to the dioptre, or to the metric system ofnumbering glasses.-- n. Source: adambom

6. a. Of or pertaining to the dioptre, or to the metric system of numbering glasses. n. A dioptre. See Dioptre. a. Alt. of Dioptrical Source: ecdict

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