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pleochroism
[ plee-ok-roh-iz-uhm ]
noun
- the property of certain crystals of exhibiting different colors when viewed from different directions under transmitted light. Compare dichroism ( def 1 ), trichroism.
pleochroism
/ ˌpliːəˈkrəʊɪk; plɪˈɒkrəʊˌɪzəm /
noun
- a property of certain crystals of absorbing light to an extent that depends on the orientation of the electric vector of the light with respect to the optic axes of the crystal. The effect occurs in uniaxial crystals ( dichroism ) and esp in biaxial crystals ( trichroism )
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Derived Forms
- pleochroic, adjective
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Word History and Origins
Origin of pleochroism1
First recorded in 1855–60; pleochro(ic) + -ism
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Word History and Origins
Origin of pleochroism1
C19: pleo- + -chroism, from Greek khrōs skin colour
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Example Sentences
Both are light colored, and the pleochroism of the hypersthene is sometimes quite faint.
From Project Gutenberg
The pleochroism is strong, the pleochroic colours being usually green, yellow and brown.
From Project Gutenberg
The last mentioned is a bright blue variety of hornblende with striking pleochroism.
From Project Gutenberg
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