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  Word: Sector

  ID	Word	Wordtype	Definition
  137437	Sector	n.	An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.

  
  

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  Prothallus | Tenebrificous | Shanker | Amphitheatre | Narrated |