| 单词 | pleochroism |
| 释义 | pleochroism (once / 738707 pages) n WORD FAMILY pleochroism USAGE EXAMPLESThe pleochroism of some crystals is so strong that when they are viewed through in different directions they exhibit marked differences in colour. Various, Encyclopaedia Britannica, 11th Edit...(2012) A very useful means of discriminating between certain stones is found in their dichroism, or, to use a more general term, pleochroism. Various, Encyclopaedia Britannica, 11th Edit...(2011) The pleochroism is strong, the pleochroic colours being usually green, yellow and brown. Various, Encyclopaedia Britannica, 11th Edit...(2011) n the phenomenon of different colors appearing when certain crystals are viewed from different directions Hypo|Hyper dichroism pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions trichroismpleochroism of a crystal so that it exhibits three different colors when viewed from three different directions optical phenomenon a physical phenomenon related to or involving light |
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