Associations to the word «Pleochroism»

Wiktionary

PLEOCHROISM, noun. (physics) The optical phenomenon in some colored, transparent crystals (such as tourmaline) in which the color is different in different directions.

Dictionary definition

PLEOCHROISM, noun. The phenomenon of different colors appearing when certain crystals are viewed from different directions.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.