octillion

noun

The cardinal number that is equal to 1027.

noun

The cardinal number that is equal to 1048.

noun

In Great Britain, the number produced by involving a million to the eighth power.

noun

In French and United States usage, one thousand raised to the ninth power.

noun

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.

noun

A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 1027.

noun

A quadrillion quintillion: 1 followed by 48 zeros, 1048.

noun

the number that is represented as a one followed by 27 zeros