alphabet

Quadrillion

Definition of quadrillion:

part of speech: noun

A million raised to the fourth power.

part of speech: noun

A million raised to the fourth power, represented by a unit with 24 ciphers, according to the English notation, but according to the French notation, in common use on the Continent and in the U. S., represented by a unit with 15 ciphers.

part of speech: noun

In the French system of numbering, used in the United States, a thousand trillions, or one followed by fifteen ciphers; in the English system, the fourth power of a million, or one followed by twenty- four ciphers.

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