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cycloid

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cycloid


  4  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Cycloid  \Cy"cloid\  (s?"kloid),  n.  [Cyclo-  +  -oid:  cf  F. 
  cyclo["i]de.]  (Geom.) 
  A  curve  generated  by  a  point  in  the  plane  of  a  circle  when 
  the  circle  is  rolled  along  a  straight  line  keeping  always  in 
  the  same  plane. 
 
  Note:  The  common  cycloid  is  the  curve  described  when  the 
  generating  point  p  is  on  the  circumference  of  the 
  generating  circle;  the  curtate  cycloid,  when  that  point 
  lies  without  the  circumference;  the  prolate  or 
  inflected  cycloid,  when  the  generating  point  p  lies 
  within  that  circumference. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Cycloid  \Cy"cloid\,  a.  (Zo["o]l.) 
  Of  or  pertaining  to  the  Cycloidei. 
 
  {Cycloid  scale}  (Zo["o]l.),  a  fish  scale  which  is  thin  and 
  shows  concentric  lines  of  growth,  without  serrations  on 
  the  margin. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Cycloid  \Cy"cloid\,  n.  (Zo["o]l.) 
  One  of  the  Cycloidei. 
 
  From  WordNet  r  1.6  [wn]: 
 
  cycloid 
  adj  :  resembling  a  circle  [syn:  {cycloidal}] 
  n  :  a  line  generated  by  a  point  on  a  circle  rolling  along  a 
  straight  line 




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