Septillion

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Septillion \Sep*til"lion\, n. [F. septilion, formed fr. L.
     septem seven, in imitation of million.]
     According to the French method of numeration (which is
     followed also in the United States), the number expressed by
     a unit with twenty-four ciphers annexed. According to the
     English method, the number expressed by a unit with forty-two


     ciphers annexed. See {Numeration}.
     [1913 Webster]