单词	achromatic prism
释义	achromatic prism noun : a prism made by combining two or more prisms of different refractive index so designed and placed that a ray of white or other nonhomogeneous light passing through the prism is deviated but not dispersed into a spectrum compare amici prism Word History First Known Use 1802, in the meaning defined above
随便看	lumbricoid Lumbricomorpha Lumbriculidae lumbricuses lumbrous lume lumen lumen-hour lumenal lumens lumi- lumiere blue lumiere green lumin- lumina luminaire luminaires luminal luminales luminals luminance luminances luminants luminaria luminarias

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