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cardioid

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cardioid


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Cardioid  \Car"di*oid\,  n.  [Gr.  kardio-eidh`s  heart-shaped; 
  kardi`a  heart  +  e'i^dos  shape.]  (Math.) 
  An  algebraic  curve,  so  called  from  its  resemblance  to  a 
  heart. 
 
  From  WordNet  r  1.6  [wn]: 
 
  cardioid 
  n  :  an  epicycloid  in  which  the  rolling  circle  equals  the  fixed 
  circle 




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