| 单词 | quadrillion |
| 释义 | quadrillion —quadrillionth, n. , adj. /kwo dril"yeuhn/, n. , pl. quadrillions, (as after a numeral) quadrillion, adj. n. 1. a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros. adj. 2. amounting to one quadrillion in number. [1665-75; QUADR- + -illion (as in million)] |
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