prism: a cut piece of clear glass (or glass) with two opposites side in the shape of a triangle or other thegeometric shape.spectrum: a band of colors produced when light goes through a prism.
primary colors: red,gree, or blue;mixing these colors can produce all the colors of the spectrum primary pigment: magenta, cyan, yellow;material with any of these colors absorb one primary color of light ands rweflects the other two.
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