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Prism vs Dipleidoscope - What's the difference?

prism | dipleidoscope |

As nouns the difference between prism and dipleidoscope

is that prism is (geometry) a polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides while dipleidoscope is (astronomy) an instrument for determining the time of apparent noon it consists of two mirrors and a plane glass in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's centre is on the meridian.

prism

English

Noun

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

    • Derived terms

    * antiprism * Nicol prism * prismatic * prismatically * prismatoid * primoid * prismatoid * triangular prism

    dipleidoscope

    English

    Noun

    (en noun)
  • (astronomy) An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's centre is on the meridian.
    • (Webster 1913)