noun
the phenomenon of different colors appearing when certain crystals are viewed from different directions
• Hypernyms: ↑optical phenomenon
• Hyponyms: ↑dichroism, ↑trichroism
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\\plēˈäkrəˌwizəm\ noun (-s)Etymology: International Scientific Vocabulary pleochroic + -ism
: the property possessed by a crystal of showing different colors when viewed by light that vibrates parallel to different axes — see dichroism, trichroism
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/plee ok"roh iz'euhm/, n.
the property of certain crystals of exhibiting different colors when viewed from different directions under transmitted light. Cf. dichroism (def. 1), trichroism.
[1855-60; PLEOCHRO(IC) + -ISM]
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pleochroism /plē-okˈrō-i-zm/
noun
The property in some crystals of transmitting different colours in different directions
ORIGIN: Gr chroā colour
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pleochroic /plē-ō-krōˈik/ adjective
Useful english dictionary. 2012.