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quadricmore about quadric

quadric


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Quadric  \Quad"ric\,  n. 
  a  (Alg.)  A  quantic  of  the  second  degree.  See  {Quantic}. 
  b  (Geom.)  A  surface  whose  equation  in  three  variables  is  of 
  the  second  degree.  Spheres,  spheroids,  ellipsoids, 
  paraboloids,  hyperboloids,  also  cones  and  cylinders  with 
  circular  bases,  are  quadrics. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Quadric  \Quad"ric\,  a.  (Math.) 
  Of  or  pertaining  to  the  second  degree. 
 
  From  WordNet  r  1.6  [wn]: 
 
  quadric 
  n  :  a  curve  or  surface  whose  equation  (in  Cartesian  coordinates) 
  is  of  the  second  degree 




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