1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Syenite  \Sy"e*nite\,  n.  [L.  Syenites  (sc.  lapis),  from  Syene, 
  Gr  ?.]  (Min.) 
  a  Orig.,  a  rock  composed  of  quartz,  hornblende,  and 
  feldspar,  anciently  quarried  at  Syene,  in  Upper  Egypt, 
  and  now  called  {granite}. 
  b  A  granular,  crystalline,  ingeous  rock  composed  of 
  orthoclase  and  hornblende,  the  latter  often  replaced  or 
  accompanied  by  pyroxene  or  mica.  Syenite  sometimes 
  contains  nephelite  (el[ae]olite)  or  leucite,  and  is  then 
  called  {nephelite  (el[ae]olite)  syenite}  or  {leucite 
  syenite}. 

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
or search   thesauri dictionary search words