Associations to the word «Prism»

Wiktionary

PRISM, noun. (geometry) A polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides.
PRISM, noun. A transparent block in the shape of a prism (typically with triangular ends), used to split or reflect light.
PRISM, noun. A crystal in which the faces are parallel to the vertical axis.
PRISM GLASS, noun. Glass with one smooth side and the other side formed into sharp-edged ridges so as to reflect the light that passes through, used at windows to throw the light into the interior.

Dictionary definition

PRISM, noun. A polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms.
PRISM, noun. Optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats