单词 | Nicol prism |
释义 | Word Frequency Nicol prism(ˈnɪkəl) noun (also without capital) 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 Word origin C19: named after William Nicol (?1768–1851), Scottish physicist, its inventor |
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