ZebraWords.com - The Definition of 'Quadrillion', Synonyms of 'Quadrillion' & More on 'Quadrillion'

1. WordNet® 3.0 (2006)

quadrillion
    n 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

2. The Collaborative International Dictionary of English v.0.48

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.
   [1913 Webster] Quadrilobate

Thesaurus Results for quadrillion:

1. Moby Thesaurus II by Grady Ward, 1.0

a billion, a crore, a lakh, a million, a myriad, a nonillion, a quadrillion, a thousand, a zillion, decillion, duodecillion, googol, googolplex, jillion, nonillion, novemdecillion, octillion, octodecillion, quattuordecillion, quindecillion, quintillion, septillion, sexdecillion, sextillion, tredecillion, trillion, undecillion, vigintillion, zillion

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