prism

/ˈprɪzəm/
noun
  1. A transparent solid object, often with triangular ends, that separates white light into the colors of the rainbow.
    • The teacher used a glass prism to show how sunlight splits into a spectrum.
    • Raindrops act like tiny prisms, creating a rainbow in the sky.
    • She hung a crystal prism in the window, and it cast colorful patterns on the wall.
  2. A geometric solid with two parallel, identical bases and rectangular side faces.
    • The building's design featured a large glass prism extending from the roof.
    • In math class, we calculated the volume of a rectangular prism.
    • A triangular prism has five faces: two triangles and three rectangles.
  3. A way of looking at or understanding something; a perspective or lens.
    • The documentary examines history through the prism of ordinary people's lives.
    • Her cultural background provides a unique prism for interpreting the story.
    • We need to view the problem through a different prism to find a solution.
Synonyms
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