Part of speech: noun

A solid whose bases are similar equal and parallel plane figures, and whose faces are parallelograms; spectrum.

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Usage examples "prism":

  1. The prism acts like a sieve sorting out the different kinds of light. - "Pioneers of Science", Oliver Lodge.
  2. She did not colour her descriptions, but she saw life through a prism, and imparted its rays to others. - "Story of My Life, volumes 1-3", Augustus J. C. Hare.
  3. It was but a single prism, not a hundred metres across, which when completed would add but another block to the city's area. - "City of Endless Night", Milo Hastings.