Sector

Tamil Dictionary definitions for Sector

Sector : வில்

Sector definition

Noun.

  1. A part of a circle comprehended between two radii and the included arc.
  2. A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motioNoun. The sector is used for plotting, etc., to any scale.
  3. 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.