meaning of prism
1.  A solid whose bases or ends are any similar, equal, and parallel plane figures, and whose sides are parallelograms. 
2.  A transparent body, with usually three rectangular plane faces or sides, and two equal and parallel triangular ends or bases; -- used in experiments on refraction, dispersion, etc. 
3.  A form the planes of which are parallel to the vertical axis.  See Form, n. , 13. 
4.  optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image
						 
Related Words
prism | prism spectroscope | prismatic | prismatical | prismatically | prismatoid | prismatoidal | prismoid | prismoidal | prismy |
