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erecting prism

American  

noun

Optics.
  1. Dove prism.


Etymology

Origin of erecting prism

First recorded in 1870–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The boy knew there was an erecting prism in the case, a device that would put the image upright, but it couldn't be used with the camera.

From Project Gutenberg