SEPTILLION
\sɛptˈɪli͡ən], \sɛptˈɪliən], \s_ɛ_p_t_ˈɪ_l_iə_n]\
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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.
By Noah Webster.
