optical prism(n = noun.artifact) prism - optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image;
is a kind of optical device
is a part of biprism, prism spectroscope, spectroscope, scope, telescope
has particulars: erecting prism

erecting prism, nicol prism, optical, optical aberration, optical activity, optical bench, optical cable, optical condenser, optical crown, optical crown glass, optical device, optical disc, optical disk, optical fiber, optical fibre, optical flint, optical fusion, optical glass, optical illusion, optical instrument, optical lens, optical maser, optical opacity, optical phenomenon, optical pyrometer, optical telescope, prism, prism glass, prism spectroscope, quadrangular prism, rochon prism, triangular prism, wollaston prism