prism

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Prism

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[edit] English

[edit] Etymology

Late Latin prisma, from Ancient Greek πρίσμα prisma "something sawed", from πρίζειν prizein "to saw".

[edit] Pronunciation

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[edit] Noun

prism (plural prisms)

1. (geometry) A polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides.
2. A transparent block in the shape of a prism (typically with triangular ends), used to split or reflect light.
3. A crystal in which the faces are parallel to the vertical axis.

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