What does the word prism mean?

Usage examples for prism

  1. The prism acts like a sieve sorting out the different kinds of light. – Pioneers of Science by 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 by 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 by Milo Hastings
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