### Definition of Octillion

1. Noun. The number that is represented as a one followed by 27 zeros.

### Definition of Octillion

1. n. 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 of Octillion

1. Cardinal numeral. (''US; modern British & Australian, short scale'') A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 1027. ¹

2. Cardinal numeral. (''dated British & Australian, long scale'') A quadrillion quintillion: 1 followed by 48 zeros, 1048. ¹

¹ Source: wiktionary.com

1. [n -S]

### Octillion Pictures

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### Lexicographical Neighbors of Octillion

 octeractocteractsoctetoctet ruleoctetoniumoctetsoctettoctetteoctettesoctetts octi-octicocticsoctileoctilesoctillion (current term)octillionfoldoctillionsoctillionthoctitol octitolsoctiumoctletoctletsoctliocto-octoateoctoberoctocellular

### Literary usage of Octillion

Below you will find example usage of this term as found in modern and/or classical literature:

1. Radiant Energy and Its Analysis: Its Relation to Modern Astrophysics by Edgar Lucien Larkin (1903)
"From Helmholtz' formulas it has been shown that if the sun, whose mass is two octillion tons, contracted from an infinite diameter to a diameter down to the ..."

2. Elements of Arithmetic: For Schools and Academies. In which Decimal and by Pliny Earle Chase (1848)
"... hundred and one thousand,—and four octillion eleven thousand and six ten ... nonillion forty-six octillion seven sextillion and nine hundred thousand ..."

3. The Book We Need: An Arithmetic by Léon Stefflre (1902)
"... ninety-two nonillion and seven million; one octillion, and three one-billionths; twenty-five octillion one hundred and eight septillion fifty-four ..."