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billionth

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billionth


  1  definition  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  billionth 
  adj  :  the  ordinal  number  of  one  billion  in  counting  order 
  n  1:  (in  the  U.S.)  position  1,000,000,000  in  a  countable  series 
  of  things 
  2:  one  part  in  a  billion  [syn:  {one-billionth}] 




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