The Ultimate GRE Word List & Dictionary

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  • (usu sing) image of a band of colours as seen in a rainbow (and usu described as red, orange, yellow, green, blue, indigo and violet), formed by a ray of light that has passed through a prism [Barron]
  • a continuum of color formed when a beam of white light is dispersed (as by passage through a prism) so that its component wavelengths are arranged in order [Taisha]

More word meanings for spectrum
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spectrum @ wiktionary
spectrum @
Merriam-Webster Online:
spectrum @
MSN Encarta:
spectrum @ Encarta
American Heritage Dictionary of the English Language:
spectrum @ AHD provided by Yahoo! Education
spectrum @
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