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quadrillion |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Quadrillion \Quad*ril"lion\, n. [F., fr L. quater four times, akin to quattuor four E. four -- formed like million. See {Four}, {Million}.] 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}. From WordNet r 1.6 [wn]: quadrillion n 1: (in Britain and Germany) the number that is represented as a one followed by 24 zeros; "in England they call a septillion a quadrillion" 2: (in the United States and France) the number that is represented as a one followed by 15 zeros
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