Quintilllion
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According to the French notation, which is used on theContinent and in America, the cube of a million, or a unit witheighteen ciphers annexed; according to the English notation, a numberproduced by involving a million to the fifth power, or a unit withthirty ciphers annexed. See the Note under Numeration.
Quintilllion meaning & definition 1 of Quintilllion.