Prism

noun

/ˈpɹɪzəm/

Word Frequency: 2.3

Definitions

1.nounA polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides.

2.nounA transparent block in the shape of a prism (typically with triangular ends), used to split or reflect light.

3.nounA crystal in which the faces are parallel to the vertical axis.

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