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instantaneous

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instantaneous


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Instantaneous  \In`stan*ta"ne*ous\,  a.  [Cf.  F.  instantan['e].] 
  1.  Done  or  occurring  in  an  instant,  or  without  any 
  perceptible  duration  of  time;  as  the  passage  of 
  electricity  appears  to  be  instantaneous. 
 
  His  reason  saw  With  instantaneous  view,  the  truth  of 
  things  --Thomson. 
 
  2.  At  or  during  a  given  instant;  as  instantaneous 
  acceleration,  velocity,  etc 
 
  {Instantaneous  center  of  rotation}  (Kinematics),  in  a  plane 
  or  in  a  plane  figure  which  has  motions  both  of  translation 
  and  of  rotation  in  the  plane,  is  the  point  which  for  the 
  instant  is  at  rest. 
 
  {Instantaneous  axis  of  rotation}  (Kinematics),  in  a  body 
  which  has  motions  both  of  translation  and  rotation,  is  a 
  line  which  is  supposed  to  be  rigidly  united  with  the 
  body,  and  which  for  the  instant  is  at  rest.  The  motion  of 
  the  body  is  for  the  instant  simply  that  of  rotation  about 
  the  instantaneous  axis.  --  {In`stan*ta"ne*ous*ly},  adv  -- 
  {In`stan*ta"ne*ous*ness},  n. 
 
  From  WordNet  r  1.6  [wn]: 
 
  instantaneous 
  adj  :  occurring  with  no  delay;  "relief  was  instantaneous"; 
  "instant  gratification"  [syn:  {instant(a)}] 




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