Trillion - Dictionary Definition and Overview

Trillion :  adj
1: one quintillion in Great Britain [syn: a trillion]
2: one million million in the United States [syn: a trillion] (noun)
1: the number that is represented as a one followed by 18 zeros; "in England they call a quintillion a trillion" [syn: one million million million]
2: the number that is represented as a one followed by 12 zeros; "in England they call a trillion a billion" [syn: one million million, 1000000000000]

Based on WordNet 2.0

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.

Based on Webster's Revised Unabridged Dictionary

Trillion : 

In Britain, France, and Germany, 10^18 or a million cubed.

In the USA and Canada, 10^12.

[Elsewhere?]

(1996-10-03)



Based on Webster's Revised Unabridged Dictionary (1913)
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