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pleochroism

 

Definitions from WordNet

Noun pleochroism has 1 sense
  1. pleochroism - the phenomenon of different colors appearing when certain crystals are viewed from different directions
    --1 is a kind of
    optical phenomenon
    --1 has particulars: dichroism; trichroism

Definitions from the Web

Pleochroism

Description:

Pleochroism refers to the property of certain crystals or minerals to exhibit different colors when viewed from different angles or under different lighting conditions. It is caused by the selective absorption of light waves in different orientations.

Sample sentences:

  • The pleochroism of the mineral tourmaline makes it appear green when viewed along the c-axis and red when viewed along the a-axis.
  • To determine the mineral's identity, the geologist analyzed its pleochroism under a polarizing microscope.
  • The jeweler was fascinated by the pleochroism of the gemstone, as its color changed from blue to violet depending on the angle of observation.

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