prism
pris-um
noun
A transparent block, often triangular, that refracts light into a spectrum.
"The prism split the sunlight into a beautiful rainbow."
Thesaurus
Synonyms: optical prism
pris-um
A transparent block, often triangular, that refracts light into a spectrum.
"The prism split the sunlight into a beautiful rainbow."
Synonyms: optical prism