achromatic prism


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achromatic prism

[¦a·krə¦mad·ik ′priz·əm]
(optics)
A prism consisting of two or more prisms with different refractive indices combined so that light passing through the device is deviated but not dispersed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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