Sextillion
Sextillion , noun
[Formed (in imitation of million) from Latin sextus sixth, sex six: compare French sextilion.]
According to the method of numeration (which is followed also in the United States), the number expressed by a unit with twenty-one ciphers annexed. According to the English method, a million raised to the sixth power, or the number expressed by a unit with thirty-six ciphers annexed. See Numeration.