bil·lion /ˈbɪ(l)jən/
 萬億;10億
 billion
 ( 美國 )十億
 billion
 十億
 Bil·lion n.  According to the French and American method of numeration, a thousand millions, or 1,000,000,000; according to the English method, a million millions, or  1,000,000,000,000. See Numeration.
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 billion
      adj 1: denoting a quantity consisting of one thousand million items
             or units in the United States [syn: a billion]
      2: denoting a quantity consisting of one million million items
         or units in Great Britain [syn: a billion]
      n 1: the number that is represented as a one followed by 12
           zeros; in the United Kingdom the usage followed in the
           United States is frequently seen [syn: one million
           million, 1000000000000]
      2: the number that is represented as a one followed by 9 zeros
         [syn: one thousand million, 1000000000]