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Quadrillion - Dictionary Definition and Overview |
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Quadrillion : (noun)
1: the number that is represented as a one followed by 24
zeros; "in England they call a septillion a quadrillion"
2: the number that is represented as a one followed by 15 zeros
Based on WordNet 2.0
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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.
Based on WordNet (r) 2.0 (August 2003)
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