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ekaboron


ekaboron


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Scandium  \Scan"di*um\,  n.  [NL.  So  called  because  found  in 
  Scandinavian  minerals.]  (Chem.) 
  A  rare  metallic  element  of  the  boron  group  whose  existence 
  was  predicted  under  the  provisional  name  {ekaboron}  by  means 
  of  the  periodic  law,  and  subsequently  discovered  by  spectrum 
  analysis  in  certain  rare  Scandinavian  minerals  (euxenite  and 
  gadolinite).  It  has  not  yet  been  isolated.  Symbol  Sc  Atomic 
  weight  44. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Ekabor  \Ek"a*bor`\  ([e^]k"[.a]*b[=o]r`),  Ekaboron  \Ek"a*bo"ron\ 
  (-b[=o]"r[o^]n),  n.  [G.,  fr  Skr.  [=e]ka  one  +  G.  bor,  boron, 
  E.  boron.]  (Chem.) 
  The  name  given  by  Mendelejeff  in  accordance  with  the  periodic 
  law,  and  by  prediction,  to  a  hypothetical  element  then 
  unknown,  but  since  discovered  and  named  {scandium};  --  so 
  called  because  it  was  a  missing  analogue  of  the  boron  group 
  See  {Scandium}.