| 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. |
