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Collimator   Listen
Collimator

noun
1.
A small telescope attached to a large telescope to use in setting the line of the larger one.
2.
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.






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Words linked to "Collimator" :   telescope, optical device, collimate, spectroscope, scope, prism spectroscope



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