[syn: trillion, one million million, 1000000000000]
1. one quintillion in Great Britain;
2. one million million in the United States;
The Collaborative International Dictionary of English v.0.48:
Trillion \Tril"lion\, n. [F. trillion, formed from the pref.
tri- in imitation of million a million. Cf. Billion.]
According to the French notation, which is used upon the
Continent generally and in the United States, the number
expressed by a unit with twelve ciphers annexed; a million
millions; according to the English notation, the number
produced by involving a million to the third power, or the
number represented by a unit with eighteen ciphers annexed.
See the Note under Numeration.
WordNet (r) 3.0 (2006):
adj 1: one quintillion in Great Britain
2: one million million in the United States
n 1: a very large indefinite number (usually hyperbole); "there
were millions of flies" [syn: million, billion,
trillion, zillion, jillion, gazillion]
2: the number that is represented as a one followed by 18 zeros;
"in England they call a quintillion a trillion" [syn:
trillion, one million million million]
3: the number that is represented as a one followed by 12 zeros;
"in England they call a trillion a billion" [syn: trillion,
one million million, 1000000000000]
The Free On-line Dictionary of Computing (30 December 2018):
In Britain, France, and Germany, 10^18 or a
In the USA and Canada, 10^12.