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单词 cholesteric crystal
释义
cholesteric crystal

Physics
  • See liquid crystal.


Chemistry
  • A type of liquid crystal in which molecules lie in sheets at angles that change by a small amount between each sheet. The pitch of the helix so formed is similar to the wavelength of visible light. Cholesteric liquid crystals therefore diffract light and have colours that depend on the temperature. (The word cholesteric is derived from the Greek for bile solid.)


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