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