2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Propagation  \Prop`a*ga"tion\,  n.  [L.  propagatio:  cf  F. 
  propagation.] 
  1.  The  act  of  propagating;  continuance  or  multiplication  of 
  the  kind  by  generation  or  successive  production;  as  the 
  propagation  of  animals  or  plants. 
 
  There  is  not  in  nature  any  spontaneous  generation, 
  but  all  come  by  propagation.  --Ray. 
 
  2.  The  spreading  abroad,  or  extension,  of  anything 
  diffusion;  dissemination;  as  the  propagation  of  sound; 
  the  propagation  of  the  gospel.  --Bacon. 
 
  From  WordNet  r  1.6  [wn]: 
 
  propagation 
  n  1:  the  spreading  of  something  (a  belief  or  practice)  into  new 
  regions  [syn:  {extension}] 
  2:  the  act  of  propagating  [syn:  {generation},  {multiplication}] 
  3:  the  movement  of  a  wave  through  a  medium 

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