prism | ||
1. | [ noun ] (mathematics,geometry) a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms | |
Related terms: | polyhedron triangular_prism quadrangular_prism parallelepiped | |
2. | [ noun ] (physics,optics) optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | |
Synonyms: | optical_prism | |
Related terms: | optical_device erecting_prism spectroscope telescope biprism | |
Similar spelling: |
prismoid prosom presume Prosimii presumed Pressman prison Presson present |