Optics. A transparent object in the form of a geometrical prism; esp. a right prism whose ends are identical acute-angled triangles, used for…
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| 单词 | θ76556 |
| 释义 | the world > matter > physics > electromagnetic radiation > light > chromatism > [noun] > spectrum > instrument (3) prism1612 Optics. A transparent object in the form of a geometrical prism; esp. a right prism whose ends are identical acute-angled triangles, used for… spectrometer1874 An instrument used for measuring the index of refraction. Now in extended use, any of a wide range of instruments for producing spectra and… spectrograph1884 An instrument used for photographing a spectrum. More widely, any apparatus for producing a visual record of a spectrum (optical or otherwise). Cf. m… |
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