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gyroscope

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gyroscope


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Gyroscope  \Gy"ro*scope\,  n.  [Gr.  ?  ring,  circle  +  -scope.] 
  1.  A  rotating  wheel,  mounted  in  a  ring  or  rings,  for 
  illustrating  the  dynamics  of  rotating  bodies,  the 
  composition  of  rotations,  etc  It  was  devised  by  Professor 
  W.  R.  Johnson,  in  1832,  by  whom  it  was  called  the 
  {rotascope}. 
 
  2.  A  form  of  the  above  apparatus,  invented  by  M.  Foucault, 
  mounted  so  delicately  as  to  render  visible  the  rotation  of 
  the  earth,  through  the  tendency  of  the  rotating  wheel  to 
  preserve  a  constant  plane  of  rotation,  independently  of 
  the  earth's  motion. 
 
  From  WordNet  r  1.6  [wn]: 
 
  gyroscope 
  n  :  a  universally  mounted  spinning  wheel  that  offers  resistance 
  to  turns  in  any  direction  [syn:  {gyro}] 




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