anaclastic

POS

Adjective

HYPHEN

an=a=clas=tic

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CIDE DICTIONARY

anaclastic, a. [Gr. to bend back and break; to reflect (light); + to break.].

Produced by the refraction of light, as seen through water; as, anaclastic curves. [1913 Webster]
Springing back, as the bottom of an anaclastic glass. [1913 Webster]

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.