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Collimator   Listen
noun
Collimator  n.  
1.
(Astron.) A telescope arranged and used to determine errors of collimation, both vertical and horizontal.
2.
(Optics) A tube having a convex lens at one end and at the other a small opening or slit which is at the principal focus of the lens, used for producing a beam of parallel rays; also, a lens so used.






Collaborative International Dictionary of English 0.48








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



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