单词 | billionth |
释义 | billionth, a. and n.|ˈbɪljənθ| [f. as prec. + -th1.] A. adj. The ordinal adjective corresponding to ‘billion.’ B. n. The billionth part.
1778Maseres Converg. Series in Phil. Trans. LXVIII. 900 The billionth root of 10 will be = 1.000,000,000,002,302,585,093. 1865Draper Int. Devel. Europe xxv. 607 The vibrations which thus occasion light are, at a mean, 525 in the billionth of a second. |

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