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English noun: collimator

1. collimator (artifact) a small telescope attached to a large telescope to use in setting the line of the larger one


Broader (hypernym)scope, telescope

2. collimator (artifact) 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


Broader (hypernym)optical device


Part meronymprism spectroscope, spectroscope









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