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COLLIMATOR

 Dictionary entry overview: What does collimator mean? 

COLLIMATOR (noun)
  The noun COLLIMATOR has 2 senses:

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

  Familiarity information: COLLIMATOR used as a noun is rare.


 Dictionary entry details 


COLLIMATOR (noun)


Sense 1collimator [BACK TO TOP]

Meaning:

A small telescope attached to a large telescope to use in setting the line of the larger one

Classified under:

Nouns denoting man-made objects

Hypernyms ("collimator" is a kind of...):

scope; telescope (a magnifier of images of distant objects)


Sense 2collimator [BACK TO TOP]

Meaning:

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

Classified under:

Nouns denoting man-made objects

Hypernyms ("collimator" is a kind of...):

optical device (a device for producing or controlling light)

Holonyms ("collimator" is a part of...):

prism spectroscope; spectroscope (an optical instrument for spectrographic analysis)


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