Adjacent Words

Trillion definitions

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Webster's 1828 Dictionary

TRILLION, n. tril'yun. [a word formed arbitrarily of three, or Gr. million.] The product of a million multiplied by a million, and that product multiplied by a million; or the product of the square of a million multiplied by a million. Thus 1,000,000 x 1,000,000=1,000,000,000,000, and this product multiplied by a million= 1,000,000,000,000,000,000.

WordNet (r) 3.0 (2005)

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]

Merriam Webster's

noun Etymology: French, from tri- + -illion (as in million) Date: 1690 1. — see number table 2. an indeterminately large number <a trillion mosquitoes out tonight> • trillion adjective • trillionth adjective or noun

Oxford Reference Dictionary

n. (pl. same or (in sense 3) trillions) 1 a million million (1,000,000,000,000 or 10(12)). 2 (formerly, esp. Brit.) a million million million (1,000,000,000,000,000,000 or 10(18)). 3 (in pl.) colloq. a very large number (trillions of times). Usage: Senses 1-2 correspond to the change in sense of billion. Derivatives: trillionth adj. & n. Etymology: F trillion or It. trilione (as TRI-, MILLION), after billion

Webster's 1913 Dictionary

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.

Collin's Cobuild Dictionary

(trillions) Note: The plural form is 'trillion' after a number, or after a word or expression referring to a number, such as 'several' or 'a few'. A trillion is a million million. Between July 1st and October 1st, the central bank printed over 2 trillion roubles. NUM: usu a/num NUM