dioptrician rare.
(daɪɒpˈtrɪʃən)
[f. dioptric; cf. optician.]
One skilled in dioptrics.
| 1670 Phil. Trans. V. 2045 An Un-usual kind of Refraction, hitherto un-observed by Dioptricians. |
dioptrician rare.
(daɪɒpˈtrɪʃən)
[f. dioptric; cf. optician.]
One skilled in dioptrics.
| 1670 Phil. Trans. V. 2045 An Un-usual kind of Refraction, hitherto un-observed by Dioptricians. |
Oxford English Dictionary