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amplitude

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amplitude

 

  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Amplitude  \Am"pli*tude\,  n.  [L.  amplitudo  fr  amplus:  cf  F. 
  amplitude.  See  {Ample}.] 
  1.  State  of  being  ample;  extent  of  surface  or  space; 
  largeness  of  dimensions;  size. 
 
  The  cathedral  of  Lincoln  .  .  .  is  a  magnificent 
  structure,  proportionable  to  the  amplitude  of  the 
  diocese.  --Fuller. 
 
  2.  Largeness,  in  a  figurative  sense  breadth;  abundance; 
  fullness. 
  a  Of  extent  of  capacity  or  intellectual  powers. 
  ``Amplitude  of  mind.''  --Milton.  ``Amplitude  of 
  comprehension.''  --Macaulay. 
  b  Of  extent  of  means  or  resources.  ``Amplitude  of 
  reward.''  --Bacon. 
 
  3.  (Astron.) 
  a  The  arc  of  the  horizon  between  the  true  east  or  west 
  point  and  the  center  of  the  sun,  or  a  star,  at  its 
  rising  or  setting.  At  the  rising,  the  amplitude  is 
  eastern  or  ortive:  at  the  setting,  it  is  western, 
  occiduous,  or  occasive.  It  is  also  northern  or 
  southern,  when  north  or  south  of  the  equator. 
  b  The  arc  of  the  horizon  between  the  true  east  or  west 
  point  and  the  foot  of  the  vertical  circle  passing 
  through  any  star  or  object. 
 
  4.  (Gun.)  The  horizontal  line  which  measures  the  distance  to 
  which  a  projectile  is  thrown;  the  range. 
 
  5.  (Physics)  The  extent  of  a  movement  measured  from  the 
  starting  point  or  position  of  equilibrium;  --  applied 
  especially  to  vibratory  movements. 
 
  6.  (math.)  An  angle  upon  which  the  value  of  some  function 
  depends;  --  a  term  used  more  especially  in  connection  with 
  elliptic  functions. 
 
  {Magnetic  amplitude},  the  angular  distance  of  a  heavenly 
  body,  when  on  the  horizon,  from  the  magnetic  east  or  west 
  point  as  indicated  by  the  compass.  The  difference  between 
  the  magnetic  and  the  true  or  astronomical  amplitude  (see  3 
  above)  is  the  ``variation  of  the  compass.'' 
 
  From  WordNet  r  1.6  [wn]: 
 
  amplitude 
  n  1:  (physics)  the  maximum  displacement  of  a  periodic  wave 
  2:  the  property  of  copious  abundance  [syn:  {bountifulness},  {bounty}] 
  3:  greatness  of  magnitude




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