anaclastic

from The Century Dictionary.

• Pertaining to or produced by the refraction of light.
• Bending back; refracted.
• In prosody, modified or characterized by anaclasis.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Opt.) Produced by the refraction of light, as seen through water.
• adjective Springing back, as the bottom of an anaclastic glass.
• adjective 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Produced by the refraction of light, as seen through water.
• adjective Springing back, as the bottom of an anaclastic glass.