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单词 nicol prism
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Nic′ol prism′  (nik′əl),USA pronunciation [Optics.]
  1. one of a pair of prisms used to produce and analyze plane-polarized light in a polarizing microscope. Also called Nic′ol. Cf. polarizer (def. 1).
  • after William Nicol (1768–1851), British physicist, its inventor 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
Nicol prism /ˈnɪkəl/ n
  1. a device composed of two prisms of Iceland spar or calcite cut at specified angles and cemented together with Canada balsam. It is used for producing plane-polarized light
Etymology: 19th Century: named after William Nicol (?1768–1851), Scottish physicist, its inventor
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更新时间：2025/7/23 14:05:02