English noun: prism | |||
1. | prism (shape) a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms | ||
Broader (hypernym) | polyhedron | ||
Narrower (hyponym) | parallelepiped, parallelepipedon, parallelopiped, parallelopipedon, quadrangular prism, triangular prism | ||
2. | prism (artifact) optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | ||
Synonyms | optical prism | ||
Broader (hypernym) | optical device | ||
Narrower (hyponym) | erecting prism | ||
Part meronym | biprism, prism spectroscope, scope, spectroscope, telescope | ||