| prism | optical device having a triangular shape and made of glass or quartz |
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| prism | a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms |
| prism | an optical instrument for spectrographic analysis |
| prism | exhibiting spectral colors formed by refraction of light through a prism |
| prism | of or relating to or resembling or constituting a prism |
| prism | a polyhedron whose vertices all lie in one or the other of two parallel planes |
| prism | a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms |