Prism
/prˈɪzəm/
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Definition
(noun) A polyhedron with parallel ends of the same polygonal shape and size, the other faces being parallelogram-shaped sides.
Sentence Examples
A prism decomposes light.
Light is resolved by a prism into seven colors.
CEFR Practice Quiz
The scientist used a glass ____ to split white light into its component colors of the spectrum.