| anaclastic | 1. <optics> Produced by the refraction of light, as seen through water; as, anaclastic curves. 2. Springing back, as the bottom of an anaclastic glass. Anaclastic glass, a glass or phial, shaped like an inverted funnel, and with a very thin convex bottom. By sucking out a little air, the bottom springs into a concave form with a smart crack; and by breathing or blowing gently into the orifice, the bottom, with a like noise, springs into its former convex form. Origin: Gr. To bend back and break; to reflect (light); + to break. Source: Websters Dictionary (01 Mar 1998) |
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| anaclastics | <study> That part of optics which treats of the refraction of light; commonly called dioptrics. Source: Websters Dictionary (01 Mar 1998) |