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impetus

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impetus


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Impetus  \Im"pe*tus\,  n.  [L.,  fr  impetere  to  rush  upon  attack; 
  pref.  im-  in  +  petere  to  fall  upon  seek.  See  {Petition}.] 
  1.  A  property  possessed  by  a  moving  body  in  virtue  of  its 
  weight  and  its  motion;  the  force  with  which  any  body  is 
  driven  or  impelled;  momentum. 
 
  Note:  Momentum  is  the  technical  term,  impetus  its  popular 
  equivalent,  yet  differing  from  it  as  applied  commonly 
  to  bodies  moving  or  moved  suddenly  or  violently,  and 
  indicating  the  origin  and  intensity  of  the  motion, 
  rather  than  its  quantity  or  effectiveness. 
 
  2.  Fig.:  Impulse;  incentive;  vigor;  force.  --Buckle. 
 
  3.  (Gun.)  The  aititude  through  which  a  heavy  body  must  fall 
  to  acquire  a  velocity  equal  to  that  with  which  a  ball  is 
  discharged  from  a  piece. 
 
  From  WordNet  r  1.6  [wn]: 
 
  impetus 
  n  1:  a  force  that  moves  something  along  [syn:  {drift},  {impulsion}] 
  2:  the  act  of  applying  force  suddenly;  "the  impulse  knocked  him 
  over"  [syn:  {impulse},  {impulsion}] 




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