Anaclastics
An`a`clas´tics
n. | 1. | (Opt.) That part of optics which treats of the refraction of light; - commonly called dioptrics. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
n. | 1. | (Opt.) That part of optics which treats of the refraction of light; - commonly called dioptrics. |