| 单词 | quintillion |
| 释义 | quintillion —quintillionth, n. , adj. /kwin til"yeuhn/, n. , pl. quintillions, (as after a numeral) quintillion, adj. n. 1. a cardinal number represented in the U.S. by 1 followed by 18 zeros, and in Great Britain by 1 followed by 30 zeros. adj. 2. amounting to one quintillion in number. [1665-75; < L quint(us) FIFTH + -illion (as in million)] |
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