Definitions for: Trillion


[n] (in the United States and France) the number that is represented as a one followed by 12 zeros; "in England they call a trillion a billion"
[n] (in Britain and Germany) the number that is represented as a one followed by 18 zeros; "in England they call a quintillion a trillion"
[adj] (U.S.) one million million; (Britain) one quintillion



Webster (1913) Definition: 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.

Synonyms: 1000000000000, a trillion, cardinal, one million million, one million million million

See Also: large integer

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