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1 wordie lists
collimator
(n): a small telescope attached to a large telescope to use in setting the line of the larger one
(
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(n): a magnifier of images of distant objects
(n): optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
(n): a device for producing or controlling light
noun
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optics
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sight
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first listed by:
sashamd
(182 words)
appears in these lists:
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, by
sashamd
