'Quadrillion' definitions:
Definition of 'quadrillion'
(from WordNet)
noun
The number that is represented as a one followed by 24 zeros; "in England they call a septillion a quadrillion"
noun
The number that is represented as a one followed by 15 zeros
Definition of 'Quadrillion'
From: GCIDE
- 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
Synonyms of 'quadrillion'
From: Moby Thesaurus
- 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