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stadiamore about stadia

stadia


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Stadium  \Sta"di*um\,  n.;  pl  {Stadia}.  [L.,  a  stadium  (in  sense 
  1),  from  Gr  ?.] 
  1.  A  Greek  measure  of  length,  being  the  chief  one  used  for 
  itinerary  distances,  also  adopted  by  the  Romans  for 
  nautical  and  astronomical  measurements.  It  was  equal  to 
  600  Greek  or  625  Roman  feet,  or  125  Roman  paces,  or  to  606 
  feet  9  inches  English.  This  was  also  called  the  {Olympic 
  stadium},  as  being  the  exact  length  of  the  foot-race 
  course  at  Olympia.  --Dr.  W.  Smith. 
 
  2.  Hence  a  race  course;  especially,  the  Olympic  course  for 
  foot  races. 
 
  3.  A  kind  of  telemeter  for  measuring  the  distance  of  an 
  object  of  known  dimensions,  by  observing  the  angle  it 
  subtends;  especially  (Surveying),  a  graduated  rod  used  to 
  measure  the  distance  of  the  place  where  it  stands  from  an 
  instrument  having  a  telescope,  by  observing  the  number  of 
  the  graduations  of  the  rod  that  are  seen  between  certain 
  parallel  wires  (stadia  wires)  in  the  field  of  view  of  the 
  telescope;  --  also  called  {stadia},  and  {stadia  rod}. 




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