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synthesesmore about syntheses

syntheses


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Synthesis  \Syn"the*sis\,  n.;  pl  {Syntheses}.  [L.,  a  mixture, 
  properly,  a  putting  together,  Gr  ?,  fr  ?  to  place  or  put 
  together;  sy`n  with  +  ?  to  place  See  {Thesis}.] 
  1.  Composition,  or  the  putting  of  two  or  more  things 
  together,  as  in  compounding  medicines. 
 
  2.  (Chem.)  The  art  or  process  of  making  a  compound  by  putting 
  the  ingredients  together,  as  contrasted  with  analysis; 
  thus  water  is  made  by  synthesis  from  hydrogen  and  oxygen; 
  hence  specifically,  the  building  up  of  complex  compounds 
  by  special  reactions,  whereby  their  component  radicals  are 
  so  grouped  that  the  resulting  substances  are  identical  in 
  every  respect  with  the  natural  articles  when  such  occur; 
  thus  artificial  alcohol,  urea,  indigo  blue,  alizarin, 
  etc.,  are  made  by  synthesis. 
 
  3.  (Logic)  The  combination  of  separate  elements  of  thought 
  into  a  whole,  as  of  simple  into  complex  conceptions, 
  species  into  genera,  individual  propositions  into  systems; 
  --  the  opposite  of  {analysis}. 
 
  Analysis  and  synthesis,  though  commonly  treated  as 
  two  different  methods,  are  if  properly  understood, 
  only  the  two  necessary  parts  of  the  same  method. 
  Each  is  the  relative  and  correlative  of  the  other 
  --Sir  W. 
  Hamilton. 




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