Definify.com
Webster 1913 Edition
Octillion
Oc-til′lion
,Noun.
[L.
octo
eight + -illion
, as in E. million
: cf. F. octillion
.] According to the French method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See
Numeration
. Definition 2024
octillion
octillion
English
Numeral
octillion
- (US, modern Britain and Australia, short scale) A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 1027.
- (dated Britain and Australia, long scale) A quadrillion quintillion: 1 followed by 48 zeros, 1048.
See also
- (short and long scale) Previous: septillion. Next: nonillion.
Synonyms
- 1048: a short scale quindecillion
Translations
a thousand trillion trillion, 1027
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a quadrillion quintillion, 1048