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Crossword clue: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image

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Possible answers

prism 5 letters wn-def

optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image

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A solid whose bases or ends are any similar, equal, and parallel plane figures, and whose sides are parallelograms.Album by Perry Album released in 2013