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momentmore about moment

moment


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Moment  \Mo"ment\,  n.  [F.  moment,  L.  momentum,  for  movimentum 
  movement,  motion,  moment,  fr  movere  to  move  See  {Move},  and 
  cf  {Momentum},  {Movement}.] 
  1.  A  minute  portion  of  time;  a  point  of  time;  an  instant;  as 
  at  thet  very  moment. 
 
  In  a  moment,  in  the  twinkling  of  an  eye.  --1  Cor. 
  xv  52. 
 
  2.  Impulsive  power;  force;  momentum. 
 
  The  moments  or  quantities  of  motion  in  bodies. 
  --Berkley. 
 
  Touch,  with  lightest  moment  of  impulse,  His  free 
  will  --Milton. 
 
  3.  Importance,  as  in  influence  or  effect;  consequence;  weight 
  or  value;  consideration. 
 
  Matters  of  great  moment.  --Shak. 
 
  It  is  an  abstruse  speculation,  but  also  of  far  less 
  moment  and  consequence  of  us  than  the  others 
  --Bentley. 
 
  4.  An  essential  element;  a  deciding  point,  fact  or 
  consideration;  an  essential  or  influential  circumstance. 
 
  5.  (Math.)  An  infinitesimal  change  in  a  varying  quantity;  an 
  increment  or  decrement.  [Obs.] 
 
  6.  (Mech.)  Tendency,  or  measure  of  tendency,  to  produce 
  motion,  esp.  motion  about  a  fixed  point  or  axis. 
 
  {Moment  of  a  couple}  (Mech.),  the  product  of  either  of  its 
  forces  into  the  perpendicular  distance  between  them 
 
  {Moment  of  a  force}.  (Mech.) 
  a  With  respect  to  a  point,  the  product  of  the  intensity 
  of  the  force  into  the  perpendicular  distance  from  the 
  point  to  the  line  of  direction  of  the  force. 
  b  With  respect  to  a  line  the  product  of  that  component 
  of  the  force  which  is  perpendicular  to  the  plane 
  passing  through  the  line  and  the  point  of  application 
  of  the  force,  into  the  shortest  distance  between  the 
  line  and  this  point. 
  c  With  respect  to  a  plane  that  is  parallel  to  the  force, 
  the  product  of  the  force  into  the  perpendicular 
  distance  of  its  point  of  application  from  the  plane. 
 
 
  {Moment  of  inertia},  of  a  rotating  body,  the  sum  of  the  mass 
  of  each  particle  of  matter  of  the  body  into  the  square  of 
  its  distance  from  the  axis  of  rotation;  --  called  also 
  {moment  of  rotation}  and  {moment  of  the  mass}. 
 
  {Statical  moment},  the  product  of  a  force  into  its  leverage; 
  the  same  as  {moment  of  a  force}  with  respect  to  a  point, 
  line  etc 
 
  {Virtual  moment}.  See  under  {Virtual}. 
 
  Syn:  Instant;  twinkling;  consequence;  weight;  force;  value; 
  consideration;  signification;  avail. 
 
  From  WordNet  r  1.6  [wn]: 
 
  moment 
  n  1:  a  particular  point  in  time;  "the  moment  he  arrived  the  party 
  began"  [syn:  {minute},  {second},  {instant}] 
  2:  an  indefinitely  short  time;  "wait  just  a  moment";  "it  only 
  takes  a  minute";  "in  just  a  bit"  [syn:  {minute},  {second}, 
  {bit}] 
  3:  at  this  time;  "the  disappointments  of  the  here  and  now"; 
  "she  is  studying  at  the  moment"  [syn:  {here  and  now},  {present 
  moment}] 
  4:  having  important  effects  or  influence;  "decisions  of  great 
  consequence  are  made  by  the  president  himself";  "virtue  is 
  of  more  moment  that  security"  [syn:  {consequence},  {import}] 
  [ant:  {inconsequence}] 
  5:  the  moment  of  a  couple  is  the  product  of  its  force  and  the 
  distance  between  its  opposing  forces 
  6:  the  n-th  moment  of  a  distribution  is  the  expected  value  of 
  the  n-th  power  of  the  deviations  from  a  fixed  value 




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