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trillion 音标拼音: [tr'ɪljən] n. 百万的平方,一兆,百万的立方,大量 百万的平方,一兆,百万的立方,大量 trillion 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" [synonym: {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" [synonym: {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" [synonym: {trillion}, {one million million}, {1000000000000}] 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}. [1913 Webster] million cubed. In the USA and Canada, 10^12. [Elsewhere?] (1996-10-03)
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