ANACLASTIC
Etymology
Adjective
anaclastic (not comparable)
Produced by the refraction of light, as seen through water.
Springing back, as the bottom of an anaclastic glass.
Source: Wiktionary
An`a*clas"tic, a. Etym: [Gr.
1. (Opt.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition