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Definition of: pleochroism
(plē·ok′rō·iz′əm) noun Mineral.
The property exhibited by double–refracting colored crystals of showing different colors when the transmitted light is viewed along different axes. [<Gk. pleōn more + chroos color + -ISM]
—ple·o·chro·ic (plē′ə·krō′ik) adjective
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