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Meaning of optical bench

op'tical bench'

Pronunciation: [key]
  1. an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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