browse words by letter
a b c d e f g h i j k l m n o p q r s t u v w x y z
gyration

more about gyration

gyration


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Gyration  \Gy*ra"tion\,  n. 
  1.  The  act  of  turning  or  whirling,  as  around  a  fixed  center; 
  a  circular  or  spiral  motion;  motion  about  an  axis; 
  rotation;  revolution. 
 
  The  gyrations  of  an  ascending  balloon.  --De  Quincey. 
 
  If  a  burning  coal  be  nimbly  moved  round  in  a  circle, 
  with  gyrations  continually  repeated,  the  whole 
  circle  will  appear  like  fire.  --Sir  I. 
  Newton. 
 
  2.  (Zo["o]l.)  One  of  the  whorls  of  a  spiral  univalve  shell. 
 
  {Center  of  gyration}.  (Mech.)  See  under  {Center}. 
 
  {Radius  of  gyration}  the  distance  between  the  axis  of  a 
  rotating  body  and  its  center  of  gyration.  --Rankine. 
 
  From  WordNet  r  1.6  [wn]: 
 
  gyration 
  n  1:  a  complete  turn;  "the  plane  made  three  rotations  before  it 
  crashed"  [syn:  {rotation},  {revolution},  {roll}] 
  2:  the  act  of  rotating  in  a  circle  or  spiral  [syn:  {whirling}] 




more about gyration