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triatomic

triatomic


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Triatomic  \Tri`a*tom"ic\,  a.  [Pref.  tri-  +  atomic.]  (Chem.) 
  a  Having  three  atoms;  --  said  of  certain  elements  or 
  radicals. 
  b  Having  a  valence  of  three  trivalent;  sometimes  in  a 
  specific  sense  having  three  hydroxyl  groups,  whether 
  acid  or  basic;  thus  glycerin,  glyceric  acid,  and 
  tartronic  acid  are  each  triatomic.