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beryllium

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beryllium


  4  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Beryllium  \Be*ryl"li*um\,  n.  [NL.]  (Chem.) 
  A  metallic  element  found  in  the  beryl.  See  {Glucinum}. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Glucinum  \Glu*ci"num\,  n.  [Cf.  F.  glucinium,  glycium  fr  Gr  ?, 
  sweet.  Cf  {Glycerin}.]  (Chem.) 
  A  rare  metallic  element,  of  a  silver  white  color,  and  low 
  specific  gravity  (2.1),  resembling  magnesium.  It  never  occurs 
  naturally  in  the  free  state,  but  is  always  combined,  usually 
  with  silica  or  alumina,  or  both  as  in  the  minerals 
  phenacite,  chrysoberyl,  beryl  or  emerald,  euclase,  and 
  danalite.  It  was  named  from  its  oxide  glucina,  which  was 
  known  long  before  the  element  was  isolated.  Symbol  Gl  Atomic 
  weight  9.1.  Called  also  {beryllium}.  [Formerly  written  also 
  {glucinium}.] 
 
  From  WordNet  r  1.6  [wn]: 
 
  beryllium 
  n  :  a  light  strong  brittle  gray  toxic  bivalent  metallic  element 
  [syn:  {Be},  {glucinium},  {atomic  number  4}] 
 
  From  Elements  database  20001107  [elements]: 
 
  beryllium 
  Symbol:  Be 
  Atomic  number:  4 
  Atomic  weight:  9.0122 
  Grey  metallic  element  of  group  2  of  the  periodic  table.  Is  toxic  and  can 
  cause  severe  lung  diseases  and  dermatitis.  Shows  high  covalent  character. 
  It  was  isolated  independently  by  F.  Wohler  and  A.A.  Bussy  in  1828. 
 
 




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