pleochroic

[ plee-uh-kroh-ik ]

adjective

1. (of a biaxial crystal) characterized by pleochroism.

Word History and Origins

Origin of pleochroic¹

First recorded in 1860–65; pleo- + -chroic

Example Sentences

The andalusite may be pink and is then often pleochroic in thin sections, or it may be white with the cross-shaped dark enclosures of the matrix which are characteristic of chiastolite.

From Project Gutenberg

The eye of the observer placed at e will see two images of the square aperture, and if a pleochroic crystal be placed in front of this aperture the two images will be differently coloured.

From Project Gutenberg

Hypersthene, when present, is often strikingly pleochroic in colours varying from pink to bright green.

From Project Gutenberg

When polarized light is passed through a transparent plate of a pleochroic mineral, the colour will vary with the direction in which the light-vibrations take place.

From Project Gutenberg

The pleochroism is strong, the pleochroic colours being usually green, yellow and brown.

From Project Gutenberg