Definition of sector

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Sector (n.) 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 motion. The sector is used for plotting, etc., to any scale..

Lern More About Sector

Sector :: Sector (n.) 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 motion. The sector is used for plotting, etc., to any scale..
Sector :: 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..
Dissector :: Dissector (n.) One who dissects; an anatomist.
Sector :: Sector (n.) A part of a circle comprehended between two radii and the included arc.
Sectorial :: Sectorial (n.) A sectorial, or carnassial, tooth..
Sectorial :: Sectorial (a.) Adapted for cutting.
Vivisector :: Vivisector (n.) A vivisectionist.
Sectoral :: Sectoral (a.) Of or pertaining to a sector; as, a sectoral circle..
Bisector :: Bisector (n.) One who, or that which, bisects; esp. (Geom.) a straight line which bisects an angle..
Segment :: Segment (n.) A piece in the form of the sector of a circle, or part of a ring; as, the segment of a sectional fly wheel or flywheel rim..
Anatomizer :: Anatomizer (n.) A dissector.
Prosector :: Prosector (n.) One who makes dissections for anatomical illustration; usually, the assistant of a professional anatomist..
Vivisectionist :: Vivisectionist (n.) One who practices or advocates vivisection; a vivisector.
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