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Meaning of COLLIMATOR

Pronunciation:  'kâlu`meytur

 
WordNet Dictionary
 
 Definition: 
  1. [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
  2. [n]  a small telescope attached to a large telescope to use in setting the line of the larger one
 

COLLIMATOR is a 10 letter word that starts with C.

 

 See Also: optical device, prism spectroscope, scope, spectroscope, telescope

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Col"li*ma`tor\, n.
1. (Astron.) A telescope arranged and used to determine
   errors of collimation, both vertical and horizontal.
   --Nichol.

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.

 

 

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