of, pertaining to, or like a prism.
formed by or as if by a transparent prism.
spectral in color; brilliant: prismatic colors.
highly varied or faceted: a prismatic existence.
Also, prismatical.

1700–10; < Greek prīsmat- (stem of prîsma) prism + -ic

prismatically, adverb
interprismatic, adjective
unprismatic, adjective
unprismatical, adjective
unprismatically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
prismatic (prɪzˈmætɪk)
1.  concerned with, containing, or produced by a prism
2.  exhibiting bright spectral colours: prismatic light
3.  crystallog another word for orthorhombic

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Science Dictionary
prismatic   (prĭz-māt'ĭk)  Pronunciation Key 
  1. Relating to or resembling a prism.

  2. Formed by refraction of light through a prism, used especially of a spectrum of light.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The guiding principle of the volume seems to be that literary history is
Its lateral third is flattened from above downward, while its medial two-thirds
  is of a rounded or prismatic form.
It is a long bone, prismatic in form and slightly curved longitudinally.
On transverse section the horizontal portion exhibits a prismatic, the curved
  portion a semicylindrical form.
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