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dyad

more about dyad

dyad


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Dyad  \Dy"ad\,  n.  [L.  dyas,  dyadis,  the  number  two  Gr  ?:  cf  F. 
  dyade.  See  two  and  cf  {Duad}.] 
  1.  Two  units  treated  as  one  a  couple;  a  pair. 
 
  2.  (Chem.)  An  element,  atom,  or  radical  having  a  valence  or 
  combining  power  of  two 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Dyad  \Dy"ad\,  a.  (Chem.) 
  Having  a  valence  or  combining  power  of  two  capable  of  being 
  substituted  for  combined  with  or  replaced  by  two  atoms  of 
  hydrogen;  as  oxygen  and  calcium  are  dyad  elements.  See 
  {Valence}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  dyad 
  n  :  two  items  of  the  same  kind  [syn:  {couple},  {doubleton},  {pair}, 
  {twosome},  {twain},  {brace},  {span},  {yoke},  {couplet}, 
  {distich},  {duo},  {duet},  {duad}] 




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