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vibrationmore about vibration

vibration

 

  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Vibration  \Vi*bra"tion\,  n.  [L.  vibratio:  cf  F.  vibration.] 
  1.  The  act  of  vibrating,  or  the  state  of  being  vibrated,  or 
  in  vibratory  motion;  quick  motion  to  and  fro;  oscillation, 
  as  of  a  pendulum  or  musical  string. 
 
  As  a  harper  lays  his  open  palm  Upon  his  harp,  to 
  deaden  its  vibrations.  --Longfellow. 
 
  2.  (Physics)  A  limited  reciprocating  motion  of  a  particle  of 
  an  elastic  body  or  medium  in  alternately  opposite 
  directions  from  its  position  of  equilibrium,  when  that 
  equilibrium  has  been  disturbed,  as  when  a  stretched  cord 
  or  other  body  produces  musical  notes,  or  particles  of  air 
  transmit  sounds  to  the  ear.  The  path  of  the  particle  may 
  be  in  a  straight  line  in  a  circular  arc,  or  in  any  curve 
  whatever. 
 
  Note:  Vibration  and  oscillation  are  both  used  in  mechanics, 
  of  the  swinging,  or  rising  and  falling,  motion  of  a 
  suspended  or  balanced  body;  the  latter  term  more 
  appropriately,  as  signifying  such  motion  produced  by 
  gravity,  and  of  any  degree  of  slowness,  while  the 
  former  applies  especially  to  the  quick,  short  motion  to 
  and  fro  which  results  from  elasticity,  or  the  action  of 
  molecular  forces  among  the  particles  of  a  body  when 
  disturbed  from  their  position  of  rest,  as  in  a  spring. 
 
  {Amplitude  of  vibration},  the  maximum  displacement  of  a 
  vibrating  particle  or  body  from  its  position  of  rest. 
 
  {Phase  of  vibration},  any  part  of  the  path  described  by  a 
  particle  or  body  in  making  a  complete  vibration,  in 
  distinction  from  other  parts  as  while  moving  from  one 
  extreme  to  the  other  or  on  one  side  of  the  line  of  rest, 
  in  distinction  from  the  opposite.  Two  particles  are  said 
  to  be  in  the  same  phase  when  they  are  moving  in  the  same 
  direction  and  with  the  same  velocity,  or  in  corresponding 
  parts  of  their  paths. 
 
  From  WordNet  r  1.6  [wn]: 
 
  vibration 
  n  1:  the  act  of  vibrating  [syn:  {quiver},  {quivering}] 
  2:  a  shaky  motion;  "the  shaking  of  his  fingers  as  he  lit  his 
  pipe"  [syn:  {shaking},  {shakiness},  {tremor},  {trembling}, 
  {quiver},  {quivering},  {palpitation}] 
  3:  (physics)  a  regular  variation  in  value  about  a  mean  [syn:  {oscillation}]




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