Bible Dictionaries
Quadrillion

Webster's Dictionary

(n.) According to the French notation, which is followed also upon the Continent and in the United States, a unit with fifteen ciphers annexed; according to the English notation, the number produced by involving a million to the fourth power, or the number represented by a unit with twenty-four ciphers annexed. See the Note under Numeration.

Bibliography Information
Webster, Noah. Entry for 'Quadrillion'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​q/quadrillion.html. 1828.