Breadcrumb Home > Thesaurus > P Synonyms of prism Find synonyms for: Noun 1. prism, polyhedron usage: a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms 2. prism, optical prism, optical device usage: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of prism (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: hagiography Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language