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pleochroism Definition

ple·och·ro·ism (plē äk′rō iz′əm)

noun

the property of some minerals of absorbing selectively various wavelengths of light and of displaying different colors when looked at in the directions of the different crystal axes

Etymology: < pleo- + Gr chrōs, color (see -chroous) + -ism

Related Forms:

  • pleochroic ple′o·chro′ic (plē′ə krō′ik) adjective