/ Dictionary / Index P prismatic telescope: Meaning and Definition of Find definitions for: prismat'ic tel'escope Pronunciation: [key] — Survey. Survey. a telescope having an eyepiece at the side or top equipped with a reflecting prism, used for taking sights at steep angles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prismatic layer prismatoid Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language