(n.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sextillion. Retrieved September 24, 2026, from http://smartdefine.org/sextillion/definitions/2060944 |
| Chicago | Webster's. 2011. "sextillion" http://smartdefine.org/sextillion/definitions/2060944 (accessed September 24, 2026). |
| Harvard | Webster's 2011, sextillion, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/sextillion/definitions/2060944>. |
| MLA | Webster's. "sextillion" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/sextillion/definitions/2060944> |